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[bpt/emacs.git] / lisp / dired.el
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c8472948 1;;; dired.el --- directory-browsing commands
52041219 2
87ae59e3 3;; Copyright (C) 1985, 1986, 1992, 1993, 1994, 1995, 1996, 1997, 2000,
409cc4a3 4;; 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
ab67260b 5
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6;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>
7;; Maintainer: FSF
565132a3 8;; Keywords: files
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9
10;; This file is part of GNU Emacs.
11
eb3fa2cf 12;; GNU Emacs is free software: you can redistribute it and/or modify
84fc2cfa 13;; it under the terms of the GNU General Public License as published by
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14;; the Free Software Foundation, either version 3 of the License, or
15;; (at your option) any later version.
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16
17;; GNU Emacs is distributed in the hope that it will be useful,
18;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20;; GNU General Public License for more details.
21
22;; You should have received a copy of the GNU General Public License
eb3fa2cf 23;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
84fc2cfa 24
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25;;; Commentary:
26
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27;; This is a major mode for directory browsing and editing. It is
28;; documented in the Emacs manual.
29
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30;; Rewritten in 1990/1991 to add tree features, file marking and
31;; sorting by Sebastian Kremer <sk@thp.uni-koeln.de>.
32;; Finished up by rms in 1992.
33
52041219 34;;; Code:
492d2437 35
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36(eval-when-compile (require 'cl))
37
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38;;; Customizable variables
39
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40(defgroup dired nil
41 "Directory editing."
d7aed37c 42 :link '(custom-manual "(emacs)Dired")
ca66efd1 43 :group 'files)
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44
45(defgroup dired-mark nil
68d2f12f 46 "Handling marks in Dired."
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47 :prefix "dired-"
48 :group 'dired)
49
50
84fc2cfa 51;;;###autoload
286c247d 52(defcustom dired-listing-switches "-al"
ee680b2b 53 "*Switches passed to `ls' for Dired. MUST contain the `l' option.
492d2437 54May contain all other options that don't contradict `-l';
b36b40ae 55may contain even `F', `b', `i' and `s'. See also the variable
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56`dired-ls-F-marks-symlinks' concerning the `F' switch.
57On systems such as MS-DOS and MS-Windows, which use `ls' emulation in Lisp,
58some of the `ls' switches are not supported; see the doc string of
a6d231bb 59`insert-directory' in `ls-lisp.el' for more details."
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60 :type 'string
61 :group 'dired)
84fc2cfa 62
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63(defvar dired-subdir-switches nil
64 "If non-nil, switches passed to `ls' for inserting subdirectories.
65If nil, `dired-listing-switches' is used.")
66
470fa6d1 67; Don't use absolute file names as /bin should be in any PATH and people
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68; may prefer /usr/local/gnu/bin or whatever. However, chown is
69; usually not in PATH.
70
71;;;###autoload
84fc2cfa 72(defvar dired-chown-program
f3041af1 73 (if (memq system-type '(hpux usg-unix-v irix linux gnu/linux cygwin))
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74 "chown"
75 (if (file-exists-p "/usr/sbin/chown")
76 "/usr/sbin/chown"
77 "/etc/chown"))
eb8c3be9 78 "Name of chown command (usually `chown' or `/etc/chown').")
492d2437 79
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80(defvar dired-use-ls-dired (not (not (string-match "gnu" system-configuration)))
81 "Non-nil means Dired should use `ls --dired'.")
82
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83(defvar dired-chmod-program "chmod"
84 "Name of chmod command (usually `chmod').")
723ddb1f 85
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86(defvar dired-touch-program "touch"
87 "Name of touch command (usually `touch').")
88
492d2437 89;;;###autoload
286c247d 90(defcustom dired-ls-F-marks-symlinks nil
ee680b2b 91 "*Informs Dired about how `ls -lF' marks symbolic links.
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92Set this to t if `ls' (or whatever program is specified by
93`insert-directory-program') with `-lF' marks the symbolic link
492d2437 94itself with a trailing @ (usually the case under Ultrix).
84fc2cfa 95
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96Example: if `ln -s foo bar; ls -F bar' gives `bar -> foo', set it to
97nil (the default), if it gives `bar@ -> foo', set it to t.
98
99Dired checks if there is really a @ appended. Thus, if you have a
100marking `ls' program on one host and a non-marking on another host, and
101don't care about symbolic links which really end in a @, you can
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102always set this variable to t."
103 :type 'boolean
104 :group 'dired-mark)
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105
106;;;###autoload
286c247d 107(defcustom dired-trivial-filenames "^\\.\\.?$\\|^#"
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108 "*Regexp of files to skip when finding first file of a directory.
109A value of nil means move to the subdir line.
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110A value of t means move to first file."
111 :type '(choice (const :tag "Move to subdir" nil)
112 (const :tag "Move to first" t)
113 regexp)
114 :group 'dired)
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115
116;;;###autoload
286c247d 117(defcustom dired-keep-marker-rename t
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118 ;; Use t as default so that moved files "take their markers with them".
119 "*Controls marking of renamed files.
120If t, files keep their previous marks when they are renamed.
121If a character, renamed files (whether previously marked or not)
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122are afterward marked with that character."
123 :type '(choice (const :tag "Keep" t)
124 (character :tag "Mark"))
125 :group 'dired-mark)
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126
127;;;###autoload
286c247d 128(defcustom dired-keep-marker-copy ?C
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129 "*Controls marking of copied files.
130If t, copied files are marked if and as the corresponding original files were.
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131If a character, copied files are unconditionally marked with that character."
132 :type '(choice (const :tag "Keep" t)
133 (character :tag "Mark"))
134 :group 'dired-mark)
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135
136;;;###autoload
286c247d 137(defcustom dired-keep-marker-hardlink ?H
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138 "*Controls marking of newly made hard links.
139If t, they are marked if and as the files linked to were marked.
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140If a character, new links are unconditionally marked with that character."
141 :type '(choice (const :tag "Keep" t)
142 (character :tag "Mark"))
143 :group 'dired-mark)
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144
145;;;###autoload
286c247d 146(defcustom dired-keep-marker-symlink ?Y
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147 "*Controls marking of newly made symbolic links.
148If t, they are marked if and as the files linked to were marked.
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149If a character, new links are unconditionally marked with that character."
150 :type '(choice (const :tag "Keep" t)
151 (character :tag "Mark"))
152 :group 'dired-mark)
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153
154;;;###autoload
286c247d 155(defcustom dired-dwim-target nil
ee680b2b 156 "*If non-nil, Dired tries to guess a default target directory.
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157This means: if there is a dired buffer displayed in the next window,
158use its current subdir, instead of the current subdir of this dired buffer.
159
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160The target is used in the prompt for file copy, rename etc."
161 :type 'boolean
162 :group 'dired)
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163
164;;;###autoload
286c247d 165(defcustom dired-copy-preserve-time t
492d2437 166 "*If non-nil, Dired preserves the last-modified time in a file copy.
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167\(This works on only some systems.)"
168 :type 'boolean
169 :group 'dired)
492d2437 170
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171; These variables were deleted and the replacements are on files.el.
172; We leave aliases behind for back-compatibility.
173(defvaralias 'dired-free-space-program 'directory-free-space-program)
174(defvaralias 'dired-free-space-args 'directory-free-space-args)
175
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176;;; Hook variables
177
c2792945 178(defcustom dired-load-hook nil
ee680b2b 179 "Run after loading Dired.
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180You can customize key bindings or load extensions with this."
181 :group 'dired
182 :type 'hook)
492d2437 183
c2792945 184(defcustom dired-mode-hook nil
ee680b2b 185 "Run at the very end of `dired-mode'."
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186 :group 'dired
187 :type 'hook)
492d2437 188
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189(defcustom dired-before-readin-hook nil
190 "This hook is run before a dired buffer is read in (created or reverted)."
191 :group 'dired
192 :type 'hook)
492d2437 193
c2792945 194(defcustom dired-after-readin-hook nil
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195 "Hook run after each time a file or directory is read by Dired.
196After each listing of a file or directory, this hook is run
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197with the buffer narrowed to the listing."
198 :group 'dired
199 :type 'hook)
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200;; Note this can't simply be run inside function `dired-ls' as the hook
201;; functions probably depend on the dired-subdir-alist to be OK.
202
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203(defcustom dired-dnd-protocol-alist
204 '(("^file:///" . dired-dnd-handle-local-file)
205 ("^file://" . dired-dnd-handle-file)
206 ("^file:" . dired-dnd-handle-local-file))
207 "The functions to call when a drop in `dired-mode' is made.
208See `dnd-protocol-alist' for more information. When nil, behave
3db7bf54 209as in other buffers. Changing this option is effective only for
f7a8a965 210new dired buffers."
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211 :type '(choice (repeat (cons (regexp) (function)))
212 (const :tag "Behave as in other buffers" nil))
213 :version "22.1"
214 :group 'dired)
215
2b2059d8 216;; Internal variables
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217
218(defvar dired-marker-char ?* ; the answer is 42
219 ;; so that you can write things like
220 ;; (let ((dired-marker-char ?X))
221 ;; ;; great code using X markers ...
222 ;; )
223 ;; For example, commands operating on two sets of files, A and B.
224 ;; Or marking files with digits 0-9. This could implicate
225 ;; concentric sets or an order for the marked files.
226 ;; The code depends on dynamic scoping on the marker char.
227 "In Dired, the current mark character.
884b7f9d 228This is what the do-commands look for, and what the mark-commands store.")
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229
230(defvar dired-del-marker ?D
231 "Character used to flag files for deletion.")
232
ee680b2b 233(defvar dired-shrink-to-fit t
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234;; I see no reason ever to make this nil -- rms.
235;; (> baud-rate search-slow-speed)
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236 "Non-nil means Dired shrinks the display buffer to fit the marked files.")
237
238(defvar dired-flagging-regexp nil);; Last regexp used to flag files.
239
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240(defvar dired-file-version-alist)
241
e956c609 242;;;###autoload
492d2437 243(defvar dired-directory nil
ee680b2b 244 "The directory name or wildcard spec that this dired directory lists.
8d23c16b 245Local to each dired buffer. May be a list, in which case the car is the
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246directory name and the cdr is the list of files to mention.
247The directory name must be absolute, but need not be fully expanded.")
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248
249(defvar dired-actual-switches nil
250 "The value of `dired-listing-switches' used to make this buffer's text.")
251
252(defvar dired-re-inode-size "[0-9 \t]*"
253 "Regexp for optional initial inode and file size as made by `ls -i -s'.")
254
255;; These regexps must be tested at beginning-of-line, but are also
256;; used to search for next matches, so neither omitting "^" nor
257;; replacing "^" by "\n" (to make it slightly faster) will work.
258
259(defvar dired-re-mark "^[^ \n]")
260;; "Regexp matching a marked line.
261;; Important: the match ends just after the marker."
262(defvar dired-re-maybe-mark "^. ")
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263;; The [^:] part after "d" and "l" is to avoid confusion with the
264;; DOS/Windows-style drive letters in directory names, like in "d:/foo".
265(defvar dired-re-dir (concat dired-re-maybe-mark dired-re-inode-size "d[^:]"))
266(defvar dired-re-sym (concat dired-re-maybe-mark dired-re-inode-size "l[^:]"))
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267(defvar dired-re-exe;; match ls permission string of an executable file
268 (mapconcat (function
269 (lambda (x)
270 (concat dired-re-maybe-mark dired-re-inode-size x)))
271 '("-[-r][-w][xs][-r][-w].[-r][-w]."
272 "-[-r][-w].[-r][-w][xs][-r][-w]."
273 "-[-r][-w].[-r][-w].[-r][-w][xst]")
274 "\\|"))
e6cecd2b 275(defvar dired-re-perms "[-bcdlps][-r][-w].[-r][-w].[-r][-w].")
147e214c 276(defvar dired-re-dot "^.* \\.\\.?/?$")
492d2437 277
5553077c 278;; The subdirectory names in the next two lists are expanded.
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279(defvar dired-subdir-alist nil
280 "Association list of subdirectories and their buffer positions.
281Each subdirectory has an element: (DIRNAME . STARTMARKER).
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282The order of elements is the reverse of the order in the buffer.
283In simple cases, this list contains one element.")
492d2437 284
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285(defvar dired-switches-alist nil
286 "Keeps track of which switches to use for inserted subdirectories.
287This is an alist of the form (SUBDIR . SWITCHES).")
288(make-variable-buffer-local 'dired-switches-alist)
289
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290(defvaralias 'dired-move-to-filename-regexp
291 'directory-listing-before-filename-regexp)
292
cdf156a9 293(defvar dired-subdir-regexp "^. \\([^\n\r]+\\)\\(:\\)[\n\r]"
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294 "Regexp matching a maybe hidden subdirectory line in `ls -lR' output.
295Subexpression 1 is the subdirectory proper, no trailing colon.
296The match starts at the beginning of the line and ends after the end
297of the line (\\n or \\r).
298Subexpression 2 must end right before the \\n or \\r.")
299
0b0e6651 300(defgroup dired-faces nil
ee680b2b 301 "Faces used by Dired."
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302 :group 'dired
303 :group 'faces)
304
305(defface dired-header
306 '((t (:inherit font-lock-type-face)))
307 "Face used for directory headers."
308 :group 'dired-faces
bf247b6e 309 :version "22.1")
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310(defvar dired-header-face 'dired-header
311 "Face name used for directory headers.")
312
313(defface dired-mark
314 '((t (:inherit font-lock-constant-face)))
315 "Face used for dired marks."
316 :group 'dired-faces
bf247b6e 317 :version "22.1")
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318(defvar dired-mark-face 'dired-mark
319 "Face name used for dired marks.")
320
321(defface dired-marked
322 '((t (:inherit font-lock-warning-face)))
323 "Face used for marked files."
324 :group 'dired-faces
bf247b6e 325 :version "22.1")
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326(defvar dired-marked-face 'dired-marked
327 "Face name used for marked files.")
328
329(defface dired-flagged
330 '((t (:inherit font-lock-warning-face)))
331 "Face used for flagged files."
332 :group 'dired-faces
bf247b6e 333 :version "22.1")
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334(defvar dired-flagged-face 'dired-flagged
335 "Face name used for flagged files.")
336
337(defface dired-warning
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338 ;; Inherit from font-lock-warning-face since with min-colors 8
339 ;; font-lock-comment-face is not colored any more.
340 '((t (:inherit font-lock-warning-face)))
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341 "Face used to highlight a part of a buffer that needs user attention."
342 :group 'dired-faces
bf247b6e 343 :version "22.1")
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344(defvar dired-warning-face 'dired-warning
345 "Face name used for a part of a buffer that needs user attention.")
346
0199e765 347(defface dired-perm-write
38838c80 348 '((((type w32 pc)) :inherit default) ;; These default to rw-rw-rw.
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349 ;; Inherit from font-lock-comment-delimiter-face since with min-colors 8
350 ;; font-lock-comment-face is not colored any more.
0199e765 351 (t (:inherit font-lock-comment-delimiter-face)))
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352 "Face used to highlight permissions of group- and world-writable files."
353 :group 'dired-faces
354 :version "22.2")
0199e765 355(defvar dired-perm-write-face 'dired-perm-write
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356 "Face name used for permissions of group- and world-writable files.")
357
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358(defface dired-directory
359 '((t (:inherit font-lock-function-name-face)))
360 "Face used for subdirectories."
361 :group 'dired-faces
bf247b6e 362 :version "22.1")
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363(defvar dired-directory-face 'dired-directory
364 "Face name used for subdirectories.")
365
366(defface dired-symlink
367 '((t (:inherit font-lock-keyword-face)))
368 "Face used for symbolic links."
369 :group 'dired-faces
bf247b6e 370 :version "22.1")
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371(defvar dired-symlink-face 'dired-symlink
372 "Face name used for symbolic links.")
373
374(defface dired-ignored
cf78a467 375 '((t (:inherit shadow)))
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376 "Face used for files suffixed with `completion-ignored-extensions'."
377 :group 'dired-faces
bf247b6e 378 :version "22.1")
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379(defvar dired-ignored-face 'dired-ignored
380 "Face name used for files suffixed with `completion-ignored-extensions'.")
381
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382(defvar dired-font-lock-keywords
383 (list
384 ;;
385 ;; Directory headers.
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386 (list dired-subdir-regexp '(1 dired-header-face))
387 ;;
388 ;; Dired marks.
389 (list dired-re-mark '(0 dired-mark-face))
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390 ;;
391 ;; We make heavy use of MATCH-ANCHORED, since the regexps don't identify the
392 ;; file name itself. We search for Dired defined regexps, and then use the
393 ;; Dired defined function `dired-move-to-filename' before searching for the
394 ;; simple regexp ".+". It is that regexp which matches the file name.
395 ;;
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396 ;; Marked files.
397 (list (concat "^[" (char-to-string dired-marker-char) "]")
398 '(".+" (dired-move-to-filename) nil (0 dired-marked-face)))
399 ;;
400 ;; Flagged files.
401 (list (concat "^[" (char-to-string dired-del-marker) "]")
402 '(".+" (dired-move-to-filename) nil (0 dired-flagged-face)))
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403 ;; People who are paranoid about security would consider this more
404 ;; important than other things such as whether it is a directory.
405 ;; But we don't want to encourage paranoia, so our default
406 ;; should be what's most useful for non-paranoids. -- rms.
407;;; ;;
408;;; ;; Files that are group or world writable.
409;;; (list (concat dired-re-maybe-mark dired-re-inode-size
410;;; "\\([-d]\\(....w....\\|.......w.\\)\\)")
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411;;; '(1 dired-warning-face)
412;;; '(".+" (dired-move-to-filename) nil (0 dired-warning-face)))
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413 ;; However, we don't need to highlight the file name, only the
414 ;; permissions, to win generally. -- fx.
415 ;; Fixme: we could also put text properties on the permission
416 ;; fields with keymaps to frob the permissions, somewhat a la XEmacs.
417 (list (concat dired-re-maybe-mark dired-re-inode-size
f16bcc9a 418 "[-d]....\\(w\\)....") ; group writable
0199e765 419 '(1 dired-perm-write-face))
d7aed37c 420 (list (concat dired-re-maybe-mark dired-re-inode-size
f16bcc9a 421 "[-d].......\\(w\\).") ; world writable
0199e765 422 '(1 dired-perm-write-face))
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423 ;;
424 ;; Subdirectories.
425 (list dired-re-dir
0b0e6651 426 '(".+" (dired-move-to-filename) nil (0 dired-directory-face)))
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427 ;;
428 ;; Symbolic links.
c60ee5e7 429 (list dired-re-sym
0b0e6651 430 '(".+" (dired-move-to-filename) nil (0 dired-symlink-face)))
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431 ;;
432 ;; Files suffixed with `completion-ignored-extensions'.
433 '(eval .
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434 ;; It is quicker to first find just an extension, then go back to the
435 ;; start of that file name. So we do this complex MATCH-ANCHORED form.
436 (list (concat "\\(" (regexp-opt completion-ignored-extensions) "\\|#\\)$")
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437 '(".+" (dired-move-to-filename) nil (0 dired-ignored-face))))
438 ;;
439 ;; Files suffixed with `completion-ignored-extensions'
440 ;; plus a character put in by -F.
441 '(eval .
442 (list (concat "\\(" (regexp-opt completion-ignored-extensions)
443 "\\|#\\)[*=|]$")
444 '(".+" (progn
445 (end-of-line)
446 ;; If the last character is not part of the filename,
447 ;; move back to the start of the filename
448 ;; so it can be fontified.
449 ;; Otherwise, leave point at the end of the line;
450 ;; that way, nothing is fontified.
451 (unless (get-text-property (1- (point)) 'mouse-face)
452 (dired-move-to-filename)))
453 nil (0 dired-ignored-face))))
454)
2439570d 455 "Additional expressions to highlight in Dired mode.")
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456
457(defvar dnd-protocol-alist)
83fadedf 458\f
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459;;; Macros must be defined before they are used, for the byte compiler.
460
492d2437 461(defmacro dired-mark-if (predicate msg)
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462 "Mark all files for which PREDICATE evals to non-nil.
463PREDICATE is evaluated on each line, with point at beginning of line.
464MSG is a noun phrase for the type of files being marked.
465It should end with a noun that can be pluralized by adding `s'.
466Return value is the number of files marked, or nil if none were marked."
f836b98e 467 `(let ((inhibit-read-only t) count)
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468 (save-excursion
469 (setq count 0)
470 (if ,msg (message "Marking %ss..." ,msg))
471 (goto-char (point-min))
472 (while (not (eobp))
473 (if ,predicate
474 (progn
475 (delete-char 1)
476 (insert dired-marker-char)
477 (setq count (1+ count))))
478 (forward-line 1))
479 (if ,msg (message "%s %s%s %s%s."
480 count
481 ,msg
482 (dired-plural-s count)
483 (if (eq dired-marker-char ?\040) "un" "")
484 (if (eq dired-marker-char dired-del-marker)
485 "flagged" "marked"))))
486 (and (> count 0) count)))
492d2437 487
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488(defmacro dired-map-over-marks (body arg &optional show-progress
489 distinguish-one-marked)
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490 "Eval BODY with point on each marked line. Return a list of BODY's results.
491If no marked file could be found, execute BODY on the current line.
492 If ARG is an integer, use the next ARG (or previous -ARG, if ARG<0)
493 files instead of the marked files.
494 In that case point is dragged along. This is so that commands on
495 the next ARG (instead of the marked) files can be chained easily.
496 If ARG is otherwise non-nil, use current file instead.
497If optional third arg SHOW-PROGRESS evaluates to non-nil,
498 redisplay the dired buffer after each file is processed.
499No guarantee is made about the position on the marked line.
500 BODY must ensure this itself if it depends on this.
501Search starts at the beginning of the buffer, thus the car of the list
502 corresponds to the line nearest to the buffer's bottom. This
503 is also true for (positive and negative) integer values of ARG.
09b092ad
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504BODY should not be too long as it is expanded four times.
505
506If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file,
507return (t FILENAME) instead of (FILENAME)."
91947235
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508 ;;
509 ;;Warning: BODY must not add new lines before point - this may cause an
510 ;;endless loop.
511 ;;This warning should not apply any longer, sk 2-Sep-1991 14:10.
512 `(prog1
f836b98e 513 (let ((inhibit-read-only t) case-fold-search found results)
91947235
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514 (if ,arg
515 (if (integerp ,arg)
516 (progn ;; no save-excursion, want to move point.
517 (dired-repeat-over-lines
518 ,arg
519 (function (lambda ()
520 (if ,show-progress (sit-for 0))
521 (setq results (cons ,body results)))))
522 (if (< ,arg 0)
523 (nreverse results)
524 results))
525 ;; non-nil, non-integer ARG means use current file:
526 (list ,body))
527 (let ((regexp (dired-marker-regexp)) next-position)
528 (save-excursion
529 (goto-char (point-min))
530 ;; remember position of next marked file before BODY
531 ;; can insert lines before the just found file,
532 ;; confusing us by finding the same marked file again
533 ;; and again and...
534 (setq next-position (and (re-search-forward regexp nil t)
535 (point-marker))
536 found (not (null next-position)))
537 (while next-position
538 (goto-char next-position)
539 (if ,show-progress (sit-for 0))
540 (setq results (cons ,body results))
541 ;; move after last match
542 (goto-char next-position)
543 (forward-line 1)
544 (set-marker next-position nil)
492d2437 545 (setq next-position (and (re-search-forward regexp nil t)
91947235 546 (point-marker)))))
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547 (if (and ,distinguish-one-marked (= (length results) 1))
548 (setq results (cons t results)))
91947235
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549 (if found
550 results
551 (list ,body)))))
552 ;; save-excursion loses, again
553 (dired-move-to-filename)))
492d2437 554
09b092ad 555(defun dired-get-marked-files (&optional localp arg filter distinguish-one-marked)
492d2437
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556 "Return the marked files' names as list of strings.
557The list is in the same order as the buffer, that is, the car is the
558 first marked file.
1312bfc6 559Values returned are normally absolute file names.
492d2437 560Optional arg LOCALP as in `dired-get-filename'.
1312bfc6
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561Optional second argument ARG specifies files near point
562 instead of marked files. If ARG is an integer, use the next ARG files.
563 If ARG is otherwise non-nil, use file. Usually ARG comes from
564 the command's prefix arg.
565Optional third argument FILTER, if non-nil, is a function to select
09b092ad
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566 some of the files--those for which (funcall FILTER FILENAME) is non-nil.
567
568If DISTINGUISH-ONE-MARKED is non-nil, then if we find just one marked file,
569return (t FILENAME) instead of (FILENAME).
570Don't use that together with FILTER."
571 (let* ((all-of-them
572 (save-excursion
573 (dired-map-over-marks
574 (dired-get-filename localp)
575 arg nil distinguish-one-marked)))
576 result)
1312bfc6 577 (if (not filter)
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578 (if (and distinguish-one-marked (eq (car all-of-them) t))
579 all-of-them
580 (nreverse all-of-them))
1312bfc6
RS
581 (dolist (file all-of-them)
582 (if (funcall filter file)
583 (push file result)))
584 result)))
83fadedf 585\f
492d2437
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586;; The dired command
587
588(defun dired-read-dir-and-switches (str)
589 ;; For use in interactive.
330b5098
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590 (reverse
591 (list
592 (if current-prefix-arg
593 (read-string "Dired listing switches: "
594 dired-listing-switches))
595 ;; If a dialog is about to be used, call read-directory-name so
596 ;; the dialog code knows we want directories. Some dialogs can
597 ;; only select directories or files when popped up, not both.
598 (if (next-read-file-uses-dialog-p)
599 (read-directory-name (format "Dired %s(directory): " str)
600 nil default-directory nil)
b575007b 601 (let ((cie ()))
f836b98e
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602 (dolist (ext completion-ignored-extensions)
603 (if (eq ?/ (aref ext (1- (length ext)))) (push ext cie)))
604 (setq cie (concat (regexp-opt cie "\\(?:") "\\'"))
b575007b
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605 (lexical-let* ((default (and buffer-file-name
606 (abbreviate-file-name buffer-file-name)))
607 (cie cie)
608 (completion-table
609 ;; We need a mix of read-file-name and
610 ;; read-directory-name so that completion to directories
611 ;; is preferred, but if the user wants to enter a global
612 ;; pattern, he can still use completion on filenames to
613 ;; help him write the pattern.
614 ;; Essentially, we want to use
615 ;; (completion-table-with-predicate
616 ;; 'read-file-name-internal 'file-directory-p nil)
617 ;; but that doesn't work because read-file-name-internal
618 ;; does not obey its `predicate' argument.
619 (completion-table-in-turn
620 (lambda (str pred action)
621 (let ((read-file-name-predicate
622 (lambda (f)
623 (and (not (member f '("./" "../")))
624 ;; Hack! Faster than file-directory-p!
625 (eq (aref f (1- (length f))) ?/)
626 (not (string-match cie f))))))
627 (complete-with-action
628 action 'read-file-name-internal str nil)))
629 'read-file-name-internal)))
630 (minibuffer-with-setup-hook
631 (lambda ()
632 (setq minibuffer-default default)
633 (setq minibuffer-completion-table completion-table))
634 (read-file-name (format "Dired %s(directory): " str)
635 nil default-directory nil))))))))
84fc2cfa 636
492d2437 637;;;###autoload (define-key ctl-x-map "d" 'dired)
84fc2cfa 638;;;###autoload
492d2437 639(defun dired (dirname &optional switches)
84fc2cfa 640 "\"Edit\" directory DIRNAME--delete, rename, print, etc. some files in it.
492d2437
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641Optional second argument SWITCHES specifies the `ls' options used.
642\(Interactively, use a prefix argument to be able to specify SWITCHES.)
643Dired displays a list of files in DIRNAME (which may also have
8d23c16b 644shell wildcards appended to select certain files). If DIRNAME is a cons,
1015daba 645its first element is taken as the directory name and the rest as an explicit
8d23c16b 646list of files to make directory entries for.
52041219 647\\<dired-mode-map>\
492d2437 648You can move around in it with the usual commands.
8d23c16b
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649You can flag files for deletion with \\[dired-flag-file-deletion] and then
650delete them by typing \\[dired-do-flagged-delete].
ee680b2b 651Type \\[describe-mode] after entering Dired for more info.
84fc2cfa 652
492d2437
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653If DIRNAME is already in a dired buffer, that buffer is used without refresh."
654 ;; Cannot use (interactive "D") because of wildcards.
655 (interactive (dired-read-dir-and-switches ""))
656 (switch-to-buffer (dired-noselect dirname switches)))
657
658;;;###autoload (define-key ctl-x-4-map "d" 'dired-other-window)
84fc2cfa 659;;;###autoload
492d2437 660(defun dired-other-window (dirname &optional switches)
84fc2cfa 661 "\"Edit\" directory DIRNAME. Like `dired' but selects in another window."
492d2437
RS
662 (interactive (dired-read-dir-and-switches "in other window "))
663 (switch-to-buffer-other-window (dired-noselect dirname switches)))
84fc2cfa 664
ec03e49c
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665;;;###autoload (define-key ctl-x-5-map "d" 'dired-other-frame)
666;;;###autoload
667(defun dired-other-frame (dirname &optional switches)
668 "\"Edit\" directory DIRNAME. Like `dired' but makes a new frame."
669 (interactive (dired-read-dir-and-switches "in other frame "))
670 (switch-to-buffer-other-frame (dired-noselect dirname switches)))
671
84fc2cfa 672;;;###autoload
8d23c16b 673(defun dired-noselect (dir-or-list &optional switches)
84fc2cfa 674 "Like `dired' but returns the dired buffer as value, does not select it."
8d23c16b 675 (or dir-or-list (setq dir-or-list default-directory))
492d2437
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676 ;; This loses the distinction between "/foo/*/" and "/foo/*" that
677 ;; some shells make:
54df7d9a 678 (let (dirname initially-was-dirname)
8d23c16b
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679 (if (consp dir-or-list)
680 (setq dirname (car dir-or-list))
681 (setq dirname dir-or-list))
54df7d9a
RS
682 (setq initially-was-dirname
683 (string= (file-name-as-directory dirname) dirname))
370b6149
RS
684 (setq dirname (abbreviate-file-name
685 (expand-file-name (directory-file-name dirname))))
cb2e51f8
RS
686 (if find-file-visit-truename
687 (setq dirname (file-truename dirname)))
54df7d9a
RS
688 ;; If the argument was syntactically a directory name not a file name,
689 ;; or if it happens to name a file that is a directory,
690 ;; convert it syntactically to a directory name.
691 ;; The reason for checking initially-was-dirname
692 ;; and not just file-directory-p
693 ;; is that file-directory-p is slow over ftp.
694 (if (or initially-was-dirname (file-directory-p dirname))
695 (setq dirname (file-name-as-directory dirname)))
8d23c16b
ER
696 (if (consp dir-or-list)
697 (setq dir-or-list (cons dirname (cdr dir-or-list)))
698 (setq dir-or-list dirname))
699 (dired-internal-noselect dir-or-list switches)))
492d2437 700
573e4d2d
LT
701;; The following is an internal dired function. It returns non-nil if
702;; the directory visited by the current dired buffer has changed on
703;; disk. DIRNAME should be the directory name of that directory.
704(defun dired-directory-changed-p (dirname)
705 (not (let ((attributes (file-attributes dirname))
e09cd94f
LT
706 (modtime (visited-file-modtime)))
707 (or (eq modtime 0)
708 (not (eq (car attributes) t))
ca02a726 709 (equal (nth 5 attributes) modtime)))))
573e4d2d
LT
710
711(defun dired-buffer-stale-p (&optional noconfirm)
712 "Return non-nil if current dired buffer needs updating.
713If NOCONFIRM is non-nil, then this function always returns nil
714for a remote directory. This feature is used by Auto Revert Mode."
715 (let ((dirname
716 (if (consp dired-directory) (car dired-directory) dired-directory)))
717 (and (stringp dirname)
718 (not (when noconfirm (file-remote-p dirname)))
719 (file-readable-p dirname)
85a3be15
MR
720 ;; Do not auto-revert when the dired buffer can be currently
721 ;; written by the user as in `wdired-mode'.
722 buffer-read-only
573e4d2d
LT
723 (dired-directory-changed-p dirname))))
724
6a4cd605 725(defun dired-internal-noselect (dir-or-list &optional switches mode)
492d2437
RS
726 ;; If there is an existing dired buffer for DIRNAME, just leave
727 ;; buffer as it is (don't even call dired-revert).
728 ;; This saves time especially for deep trees or with ange-ftp.
573e4d2d 729 ;; The user can type `g' easily, and it is more consistent with find-file.
492d2437
RS
730 ;; But if SWITCHES are given they are probably different from the
731 ;; buffer's old value, so call dired-sort-other, which does
732 ;; revert the buffer.
733 ;; A pity we can't possibly do "Directory has changed - refresh? "
734 ;; like find-file does.
6a4cd605
RS
735 ;; Optional argument MODE is passed to dired-find-buffer-nocreate,
736 ;; see there.
0b7bc76f
RS
737 (let* (dirname
738 buffer
492d2437 739 ;; note that buffer already is in dired-mode, if found
0b7bc76f 740 new-buffer-p
492d2437 741 (old-buf (current-buffer)))
0b7bc76f
RS
742 (if (consp dir-or-list)
743 (setq dirname (car dir-or-list))
744 (setq dirname dir-or-list))
745 ;; Look for an existing buffer.
746 (setq buffer (dired-find-buffer-nocreate dirname mode)
747 new-buffer-p (null buffer))
492d2437
RS
748 (or buffer
749 (let ((default-major-mode 'fundamental-mode))
750 ;; We don't want default-major-mode to run hooks and set auto-fill
751 ;; or whatever, now that dired-mode does not
752 ;; kill-all-local-variables any longer.
753 (setq buffer (create-file-buffer (directory-file-name dirname)))))
754 (set-buffer buffer)
573e4d2d
LT
755 (if (not new-buffer-p) ; existing buffer ...
756 (cond (switches ; ... but new switches
6cfd24f9 757 ;; file list may have changed
0b7bc76f 758 (setq dired-directory dir-or-list)
6cfd24f9 759 ;; this calls dired-revert
c60ee5e7 760 (dired-sort-other switches))
6cfd24f9 761 ;; If directory has changed on disk, offer to revert.
573e4d2d 762 ((when (dired-directory-changed-p dirname)
952e8cb5 763 (message "%s"
212b2266
KH
764 (substitute-command-keys
765 "Directory has changed on disk; type \\[revert-buffer] to update Dired")))))
492d2437 766 ;; Else a new buffer
847aabce 767 (setq default-directory
e3cd4b53
RS
768 ;; We can do this unconditionally
769 ;; because dired-noselect ensures that the name
770 ;; is passed in directory name syntax
771 ;; if it was the name of a directory at all.
772 (file-name-directory dirname))
492d2437 773 (or switches (setq switches dired-listing-switches))
6e5d9ec5 774 (if mode (funcall mode)
0b7bc76f 775 (dired-mode dir-or-list switches))
492d2437
RS
776 ;; default-directory and dired-actual-switches are set now
777 ;; (buffer-local), so we can call dired-readin:
778 (let ((failed t))
779 (unwind-protect
0b7bc76f 780 (progn (dired-readin)
492d2437
RS
781 (setq failed nil))
782 ;; dired-readin can fail if parent directories are inaccessible.
783 ;; Don't leave an empty buffer around in that case.
784 (if failed (kill-buffer buffer))))
492d2437
RS
785 (goto-char (point-min))
786 (dired-initial-position dirname))
787 (set-buffer old-buf)
84fc2cfa
ER
788 buffer))
789
c5753a5d
GM
790(defvar dired-buffers nil
791 ;; Enlarged by dired-advertise
792 ;; Queried by function dired-buffers-for-dir. When this detects a
793 ;; killed buffer, it is removed from this list.
794 "Alist of expanded directories and their associated dired buffers.")
795
6a4cd605
RS
796(defun dired-find-buffer-nocreate (dirname &optional mode)
797 ;; This differs from dired-buffers-for-dir in that it does not consider
798 ;; subdirs of default-directory and searches for the first match only.
799 ;; Also, the major mode must be MODE.
0b7bc76f 800 (setq dirname (expand-file-name dirname))
f5b06a95 801 (let (found (blist dired-buffers)) ; was (buffer-list)
6a4cd605 802 (or mode (setq mode 'dired-mode))
492d2437 803 (while blist
6103c44e
KH
804 (if (null (buffer-name (cdr (car blist))))
805 (setq blist (cdr blist))
806 (save-excursion
807 (set-buffer (cdr (car blist)))
6a4cd605 808 (if (and (eq major-mode mode)
59759f1f 809 dired-directory ;; nil during find-alternate-file
0b7bc76f
RS
810 (equal dirname
811 (expand-file-name
812 (if (consp dired-directory)
813 (car dired-directory)
814 dired-directory))))
6103c44e
KH
815 (setq found (cdr (car blist))
816 blist nil)
817 (setq blist (cdr blist))))))
492d2437
RS
818 found))
819
83fadedf 820\f
492d2437
RS
821;; Read in a new dired buffer
822
0b7bc76f 823(defun dired-readin ()
d7aed37c 824 "Read in a new dired buffer.
87ae59e3 825Differs from `dired-insert-subdir' in that it accepts
d7aed37c
SM
826wildcards, erases the buffer, and builds the subdir-alist anew
827\(including making it buffer-local and clearing it first)."
828
492d2437
RS
829 ;; default-directory and dired-actual-switches must be buffer-local
830 ;; and initialized by now.
0b7bc76f
RS
831 (let (dirname)
832 (if (consp dired-directory)
833 (setq dirname (car dired-directory))
834 (setq dirname dired-directory))
8d23c16b 835 (setq dirname (expand-file-name dirname))
8d23c16b 836 (save-excursion
0b7bc76f
RS
837 ;; This hook which may want to modify dired-actual-switches
838 ;; based on dired-directory, e.g. with ange-ftp to a SysV host
839 ;; where ls won't understand -Al switches.
840 (run-hooks 'dired-before-readin-hook)
0b7bc76f
RS
841 (if (consp buffer-undo-list)
842 (setq buffer-undo-list nil))
1419c7fc
RS
843 (make-local-variable 'file-name-coding-system)
844 (setq file-name-coding-system
845 (or coding-system-for-read file-name-coding-system))
f836b98e 846 (let ((inhibit-read-only t)
0b7bc76f
RS
847 ;; Don't make undo entries for readin.
848 (buffer-undo-list t))
8d23c16b
ER
849 (widen)
850 (erase-buffer)
0b7bc76f 851 (dired-readin-insert))
0b7bc76f 852 (goto-char (point-min))
8d23c16b
ER
853 ;; Must first make alist buffer local and set it to nil because
854 ;; dired-build-subdir-alist will call dired-clear-alist first
855 (set (make-local-variable 'dired-subdir-alist) nil)
8197b8bf 856 (dired-build-subdir-alist)
fa562dd5
RS
857 (let ((attributes (file-attributes dirname)))
858 (if (eq (car attributes) t)
859 (set-visited-file-modtime (nth 5 attributes))))
0b7bc76f
RS
860 (set-buffer-modified-p nil)
861 ;; No need to narrow since the whole buffer contains just
862 ;; dired-readin's output, nothing else. The hook can
863 ;; successfully use dired functions (e.g. dired-get-filename)
864 ;; as the subdir-alist has been built in dired-readin.
865 (run-hooks 'dired-after-readin-hook))))
492d2437
RS
866
867;; Subroutines of dired-readin
868
0b7bc76f
RS
869(defun dired-readin-insert ()
870 ;; Insert listing for the specified dir (and maybe file list)
871 ;; already in dired-directory, assuming a clean buffer.
872 (let (dir file-list)
873 (if (consp dired-directory)
874 (setq dir (car dired-directory)
875 file-list (cdr dired-directory))
876 (setq dir dired-directory
877 file-list nil))
34cd7b3c 878 (setq dir (expand-file-name dir))
0b7bc76f
RS
879 (if (and (equal "" (file-name-nondirectory dir))
880 (not file-list))
cf39fa9b 881 ;; If we are reading a whole single directory...
0b7bc76f 882 (dired-insert-directory dir dired-actual-switches nil nil t)
8d23c16b 883 (if (not (file-readable-p
0b7bc76f
RS
884 (directory-file-name (file-name-directory dir))))
885 (error "Directory %s inaccessible or nonexistent" dir)
886 ;; Else treat it as a wildcard spec
887 ;; unless we have an explicit list of files.
888 (dired-insert-directory dir dired-actual-switches
889 file-list (not file-list) t)))))
890
a12c6dca
SM
891(defun dired-align-file (beg end)
892 "Align the fields of a file to the ones of surrounding lines.
893BEG..END is the line where the file info is located."
894 ;; Some versions of ls try to adjust the size of each field so as to just
895 ;; hold the largest element ("largest" in the current invocation, of
896 ;; course). So when a single line is output, the size of each field is
897 ;; just big enough for that one output. Thus when dired refreshes one
898 ;; line, the alignment if this line w.r.t the rest is messed up because
899 ;; the fields of that one line will generally be smaller.
900 ;;
9bc260cf
MA
901 ;; To work around this problem, we here add spaces to try and
902 ;; re-align the fields as needed. Since this is purely aesthetic,
903 ;; it is of utmost importance that it doesn't mess up anything like
904 ;; `dired-move-to-filename'. To this end, we limit ourselves to
905 ;; adding spaces only, and to only add them at places where there
906 ;; was already at least one space. This way, as long as
907 ;; `directory-listing-before-filename-regexp' always matches spaces
908 ;; with "*" or "+", we know we haven't made anything worse. There
909 ;; is one spot where the exact number of spaces is important, which
910 ;; is just before the actual filename, so we refrain from adding
911 ;; spaces there (and within the filename as well, of course).
a12c6dca
SM
912 (save-excursion
913 (let (file file-col other other-col)
914 ;; Check the there is indeed a file, and that there is anoter adjacent
915 ;; file with which to align, and that additional spaces are needed to
916 ;; align the filenames.
917 (when (and (setq file (progn (goto-char beg)
918 (dired-move-to-filename nil end)))
919 (setq file-col (current-column))
920 (setq other
921 (or (and (goto-char beg)
922 (zerop (forward-line -1))
923 (dired-move-to-filename))
924 (and (goto-char beg)
925 (zerop (forward-line 1))
926 (dired-move-to-filename))))
927 (setq other-col (current-column))
928 (/= file other)
929 ;; Make sure there is some work left to do.
930 (> other-col file-col))
931 ;; If we've only looked at the line above, check to see if the line
932 ;; below exists as well and if so, align with the shorter one.
933 (when (and (< other file)
934 (goto-char beg)
935 (zerop (forward-line 1))
936 (dired-move-to-filename))
937 (let ((alt-col (current-column)))
938 (when (< alt-col other-col)
939 (setq other-col alt-col)
940 (setq other (point)))))
941 ;; Keep positions uptodate when we insert stuff.
942 (if (> other file) (setq other (copy-marker other)))
943 (setq file (copy-marker file))
944 ;; Main loop.
945 (goto-char beg)
87ae59e3 946 (skip-chars-forward " ") ;Skip to the first field.
a12c6dca 947 (while (and (> other-col file-col)
a12c6dca
SM
948 ;; Don't touch anything just before (and after) the
949 ;; beginning of the filename.
950 (> file (point)))
951 ;; We're now just in front of a field, with a space behind us.
952 (let* ((curcol (current-column))
953 ;; Nums are right-aligned.
954 (num-align (looking-at "[0-9]"))
955 ;; Let's look at the other line, in the same column: we
956 ;; should be either near the end of the previous field, or
957 ;; in the space between that field and the next.
958 ;; [ Of course, it's also possible that we're already within
959 ;; the next field or even past it, but that's unlikely since
960 ;; other-col > file-col. ]
961 ;; Let's find the distance to the alignment-point (either
962 ;; the beginning or the end of the next field, depending on
963 ;; whether this field is left or right aligned).
964 (align-pt-offset
965 (save-excursion
966 (goto-char other)
967 (move-to-column curcol)
968 (when (looking-at
969 (concat
ee680b2b 970 (if (eq (char-before) ?\s) " *" "[^ ]* *")
a12c6dca
SM
971 (if num-align "[0-9][^ ]*")))
972 (- (match-end 0) (match-beginning 0)))))
973 ;; Now, the number of spaces to insert is align-pt-offset
974 ;; minus the distance to the equivalent point on the
975 ;; current line.
976 (spaces
977 (if (not num-align)
978 align-pt-offset
979 (and align-pt-offset
980 (save-excursion
981 (skip-chars-forward "^ ")
982 (- align-pt-offset (- (current-column) curcol)))))))
983 (when (and spaces (> spaces 0))
984 (setq file-col (+ spaces file-col))
985 (if (> file-col other-col)
986 (setq spaces (- spaces (- file-col other-col))))
987 (insert-char ?\s spaces)
988 ;; Let's just make really sure we did not mess up.
989 (unless (save-excursion
87ae59e3 990 (eq (dired-move-to-filename) (marker-position file)))
a12c6dca 991 ;; Damn! We messed up: let's revert the change.
87ae59e3
SM
992 (delete-char (- spaces)))))
993 ;; Now skip to next field.
994 (skip-chars-forward "^ ") (skip-chars-forward " "))
a12c6dca 995 (set-marker file nil)))))
87ae59e3 996
a12c6dca 997
0b7bc76f
RS
998(defun dired-insert-directory (dir switches &optional file-list wildcard hdr)
999 "Insert a directory listing of DIR, Dired style.
1000Use SWITCHES to make the listings.
1001If FILE-LIST is non-nil, list only those files.
1002Otherwise, if WILDCARD is non-nil, expand wildcards;
1003 in that case, DIR should be a file name that uses wildcards.
1004In other cases, DIR should be a directory name or a directory filename.
1005If HDR is non-nil, insert a header line with the directory name."
9888aa65 1006 (let ((opoint (point))
02b5d79c 1007 (process-environment (copy-sequence process-environment))
9888aa65 1008 end)
1fc85dae 1009 (if (or dired-use-ls-dired (file-remote-p dir))
0b7bc76f 1010 (setq switches (concat "--dired " switches)))
6492483f
RS
1011 ;; We used to specify the C locale here, to force English month names;
1012 ;; but this should not be necessary any more,
9bc260cf 1013 ;; with the new value of `directory-listing-before-filename-regexp'.
0b7bc76f
RS
1014 (if file-list
1015 (dolist (f file-list)
a12c6dca
SM
1016 (let ((beg (point)))
1017 (insert-directory f switches nil nil)
1018 ;; Re-align fields, if necessary.
1019 (dired-align-file beg (point))))
0b7bc76f 1020 (insert-directory dir switches wildcard (not wildcard)))
9888aa65 1021 ;; Quote certain characters, unless ls quoted them for us.
ad632492
SM
1022 (if (not (string-match "b" dired-actual-switches))
1023 (save-excursion
1024 (setq end (point-marker))
1025 (goto-char opoint)
1026 (while (search-forward "\\" end t)
2bb27597
AS
1027 (replace-match (apply #'propertize
1028 "\\\\"
1029 (text-properties-at (match-beginning 0)))
1030 nil t))
ad632492
SM
1031 (goto-char opoint)
1032 (while (search-forward "\^m" end t)
2bb27597
AS
1033 (replace-match (apply #'propertize
1034 "\\015"
1035 (text-properties-at (match-beginning 0)))
1036 nil t))
ad632492 1037 (set-marker end nil)))
0b7bc76f
RS
1038 (dired-insert-set-properties opoint (point))
1039 ;; If we used --dired and it worked, the lines are already indented.
1040 ;; Otherwise, indent them.
1041 (unless (save-excursion
1ba6c0f2 1042 (goto-char opoint)
0b7bc76f
RS
1043 (looking-at " "))
1044 (let ((indent-tabs-mode nil))
1045 (indent-rigidly opoint (point) 2)))
1046 ;; Insert text at the beginning to standardize things.
1047 (save-excursion
1048 (goto-char opoint)
a7f07c36
SM
1049 (if (and (or hdr wildcard)
1050 (not (and (looking-at "^ \\(.*\\):$")
1051 (file-name-absolute-p (match-string 1)))))
0b7bc76f
RS
1052 ;; Note that dired-build-subdir-alist will replace the name
1053 ;; by its expansion, so it does not matter whether what we insert
1054 ;; here is fully expanded, but it should be absolute.
1055 (insert " " (directory-file-name (file-name-directory dir)) ":\n"))
1056 (when wildcard
1057 ;; Insert "wildcard" line where "total" line would be for a full dir.
1058 (insert " wildcard " (file-name-nondirectory dir) "\n")))))
492d2437 1059
cb88a3db 1060(defun dired-insert-set-properties (beg end)
d7aed37c 1061 "Make the file names highlight when the mouse is on them."
cb88a3db
RS
1062 (save-excursion
1063 (goto-char beg)
1064 (while (< (point) end)
7da0e9b4
RS
1065 (condition-case nil
1066 (if (dired-move-to-filename)
ac2d0299
EZ
1067 (add-text-properties
1068 (point)
1069 (save-excursion
1070 (dired-move-to-end-of-filename)
1071 (point))
1b85bd12 1072 '(mouse-face highlight
eae2c85e 1073 dired-filename t
ac2d0299 1074 help-echo "mouse-2: visit this file in other window")))
7da0e9b4 1075 (error nil))
cb88a3db 1076 (forward-line 1))))
83fadedf 1077\f
492d2437
RS
1078;; Reverting a dired buffer
1079
84fc2cfa 1080(defun dired-revert (&optional arg noconfirm)
d7aed37c 1081 "Reread the dired buffer.
ee680b2b 1082Must also be called after `dired-actual-switches' have changed.
d7aed37c
SM
1083Should not fail even on completely garbaged buffers.
1084Preserves old cursor, marks/flags, hidden-p."
492d2437 1085 (widen) ; just in case user narrowed
7805cdbd
LT
1086 (let ((modflag (buffer-modified-p))
1087 (opoint (point))
492d2437
RS
1088 (ofile (dired-get-filename nil t))
1089 (mark-alist nil) ; save marked files
1090 (hidden-subdirs (dired-remember-hidden))
1091 (old-subdir-alist (cdr (reverse dired-subdir-alist))) ; except pwd
1092 (case-fold-search nil) ; we check for upper case ls flags
f836b98e 1093 (inhibit-read-only t))
492d2437
RS
1094 (goto-char (point-min))
1095 (setq mark-alist;; only after dired-remember-hidden since this unhides:
1096 (dired-remember-marks (point-min) (point-max)))
1097 ;; treat top level dir extra (it may contain wildcards)
8d23c16b
ER
1098 (dired-uncache
1099 (if (consp dired-directory) (car dired-directory) dired-directory))
6a80f50e 1100 ;; Run dired-after-readin-hook just once, below.
492d2437 1101 (let ((dired-after-readin-hook nil))
6a80f50e 1102 (dired-readin)
492d2437
RS
1103 (dired-insert-old-subdirs old-subdir-alist))
1104 (dired-mark-remembered mark-alist) ; mark files that were marked
1105 ;; ... run the hook for the whole buffer, and only after markers
1106 ;; have been reinserted (else omitting in dired-x would omit marked files)
1107 (run-hooks 'dired-after-readin-hook) ; no need to narrow
1108 (or (and ofile (dired-goto-file ofile)) ; move cursor to where it
1109 (goto-char opoint)) ; was before
84fc2cfa 1110 (dired-move-to-filename)
492d2437 1111 (save-excursion ; hide subdirs that were hidden
d7aed37c
SM
1112 (dolist (dir hidden-subdirs)
1113 (if (dired-goto-subdir dir)
7805cdbd
LT
1114 (dired-hide-subdir 1))))
1115 (unless modflag (restore-buffer-modified-p nil)))
492d2437 1116 ;; outside of the let scope
7805cdbd 1117;;; Might as well not override the user if the user changed this.
492d2437
RS
1118;;; (setq buffer-read-only t)
1119 )
1120
1121;; Subroutines of dired-revert
1122;; Some of these are also used when inserting subdirs.
1123
1124(defun dired-remember-marks (beg end)
d7aed37c 1125 "Return alist of files and their marks, from BEG to END."
492d2437 1126 (if selective-display ; must unhide to make this work.
f836b98e 1127 (let ((inhibit-read-only t))
492d2437
RS
1128 (subst-char-in-region beg end ?\r ?\n)))
1129 (let (fil chr alist)
1130 (save-excursion
1131 (goto-char beg)
1132 (while (re-search-forward dired-re-mark end t)
1133 (if (setq fil (dired-get-filename nil t))
1134 (setq chr (preceding-char)
1135 alist (cons (cons fil chr) alist)))))
1136 alist))
1137
492d2437 1138(defun dired-mark-remembered (alist)
d7aed37c
SM
1139 "Mark all files remembered in ALIST.
1140Each element of ALIST looks like (FILE . MARKERCHAR)."
492d2437
RS
1141 (let (elt fil chr)
1142 (while alist
1143 (setq elt (car alist)
1144 alist (cdr alist)
1145 fil (car elt)
1146 chr (cdr elt))
1147 (if (dired-goto-file fil)
1148 (save-excursion
1149 (beginning-of-line)
1150 (delete-char 1)
1151 (insert chr))))))
1152
492d2437 1153(defun dired-remember-hidden ()
d7aed37c 1154 "Return a list of names of subdirs currently hidden."
492d2437
RS
1155 (let ((l dired-subdir-alist) dir pos result)
1156 (while l
1157 (setq dir (car (car l))
1158 pos (cdr (car l))
1159 l (cdr l))
1160 (goto-char pos)
1161 (skip-chars-forward "^\r\n")
52041219 1162 (if (eq (following-char) ?\r)
492d2437
RS
1163 (setq result (cons dir result))))
1164 result))
1165
492d2437 1166(defun dired-insert-old-subdirs (old-subdir-alist)
d7aed37c
SM
1167 "Try to insert all subdirs that were displayed before.
1168Do so according to the former subdir alist OLD-SUBDIR-ALIST."
492d2437
RS
1169 (or (string-match "R" dired-actual-switches)
1170 (let (elt dir)
1171 (while old-subdir-alist
1172 (setq elt (car old-subdir-alist)
1173 old-subdir-alist (cdr old-subdir-alist)
1174 dir (car elt))
1175 (condition-case ()
715984d3
RS
1176 (progn
1177 (dired-uncache dir)
f817c0fb 1178 (dired-insert-subdir dir))
492d2437 1179 (error nil))))))
715984d3 1180
715984d3 1181(defun dired-uncache (dir)
d7aed37c 1182 "Remove directory DIR from any directory cache."
6eaebaa2 1183 (let ((handler (find-file-name-handler dir 'dired-uncache)))
715984d3
RS
1184 (if handler
1185 (funcall handler 'dired-uncache dir))))
83fadedf 1186\f
492d2437 1187;; dired mode key bindings and initialization
84fc2cfa 1188
d7aed37c 1189(defvar dired-mode-map
492d2437
RS
1190 ;; This looks ugly when substitute-command-keys uses C-d instead d:
1191 ;; (define-key dired-mode-map "\C-d" 'dired-flag-file-deletion)
3e1fb00f
RS
1192 (let ((map (make-keymap)))
1193 (suppress-keymap map)
1194 (define-key map [mouse-2] 'dired-mouse-find-file-other-window)
bb87fbc3 1195 (define-key map [follow-link] 'mouse-face)
3e1fb00f
RS
1196 ;; Commands to mark or flag certain categories of files
1197 (define-key map "#" 'dired-flag-auto-save-files)
3e1fb00f 1198 (define-key map "." 'dired-clean-directory)
3e1fb00f
RS
1199 (define-key map "~" 'dired-flag-backup-files)
1200 ;; Upper case keys (except !) for operating on the marked files
1201 (define-key map "A" 'dired-do-search)
1202 (define-key map "C" 'dired-do-copy)
1203 (define-key map "B" 'dired-do-byte-compile)
1204 (define-key map "D" 'dired-do-delete)
1205 (define-key map "G" 'dired-do-chgrp)
1206 (define-key map "H" 'dired-do-hardlink)
1207 (define-key map "L" 'dired-do-load)
1208 (define-key map "M" 'dired-do-chmod)
1209 (define-key map "O" 'dired-do-chown)
1210 (define-key map "P" 'dired-do-print)
ee93b692 1211 (define-key map "Q" 'dired-do-query-replace-regexp)
3e1fb00f
RS
1212 (define-key map "R" 'dired-do-rename)
1213 (define-key map "S" 'dired-do-symlink)
57654b8c 1214 (define-key map "T" 'dired-do-touch)
3e1fb00f
RS
1215 (define-key map "X" 'dired-do-shell-command)
1216 (define-key map "Z" 'dired-do-compress)
1217 (define-key map "!" 'dired-do-shell-command)
48e740bf 1218 (define-key map "&" 'dired-do-async-shell-command)
3e1fb00f
RS
1219 ;; Comparison commands
1220 (define-key map "=" 'dired-diff)
1221 (define-key map "\M-=" 'dired-backup-diff)
1222 ;; Tree Dired commands
1223 (define-key map "\M-\C-?" 'dired-unmark-all-files)
1224 (define-key map "\M-\C-d" 'dired-tree-down)
1225 (define-key map "\M-\C-u" 'dired-tree-up)
1226 (define-key map "\M-\C-n" 'dired-next-subdir)
1227 (define-key map "\M-\C-p" 'dired-prev-subdir)
1228 ;; move to marked files
1229 (define-key map "\M-{" 'dired-prev-marked-file)
1230 (define-key map "\M-}" 'dired-next-marked-file)
1231 ;; Make all regexp commands share a `%' prefix:
1232 ;; We used to get to the submap via a symbol dired-regexp-prefix,
1233 ;; but that seems to serve little purpose, and copy-keymap
1234 ;; does a better job without it.
1235 (define-key map "%" nil)
1236 (define-key map "%u" 'dired-upcase)
1237 (define-key map "%l" 'dired-downcase)
1238 (define-key map "%d" 'dired-flag-files-regexp)
e9b8e22d 1239 (define-key map "%g" 'dired-mark-files-containing-regexp)
3e1fb00f
RS
1240 (define-key map "%m" 'dired-mark-files-regexp)
1241 (define-key map "%r" 'dired-do-rename-regexp)
1242 (define-key map "%C" 'dired-do-copy-regexp)
1243 (define-key map "%H" 'dired-do-hardlink-regexp)
1244 (define-key map "%R" 'dired-do-rename-regexp)
1245 (define-key map "%S" 'dired-do-symlink-regexp)
48e740bf 1246 (define-key map "%&" 'dired-flag-garbage-files)
4a3ca6ed
RS
1247 ;; Commands for marking and unmarking.
1248 (define-key map "*" nil)
1249 (define-key map "**" 'dired-mark-executables)
1250 (define-key map "*/" 'dired-mark-directories)
1251 (define-key map "*@" 'dired-mark-symlinks)
1252 (define-key map "*%" 'dired-mark-files-regexp)
1253 (define-key map "*c" 'dired-change-marks)
0609c998 1254 (define-key map "*s" 'dired-mark-subdir-files)
4a3ca6ed
RS
1255 (define-key map "*m" 'dired-mark)
1256 (define-key map "*u" 'dired-unmark)
1257 (define-key map "*?" 'dired-unmark-all-files)
534a6edf 1258 (define-key map "*!" 'dired-unmark-all-marks)
d7aed37c 1259 (define-key map "U" 'dired-unmark-all-marks)
4a3ca6ed
RS
1260 (define-key map "*\177" 'dired-unmark-backward)
1261 (define-key map "*\C-n" 'dired-next-marked-file)
1262 (define-key map "*\C-p" 'dired-prev-marked-file)
d588eb90 1263 (define-key map "*t" 'dired-toggle-marks)
3e1fb00f 1264 ;; Lower keys for commands not operating on all the marked files
c5753a5d 1265 (define-key map "a" 'dired-find-alternate-file)
3e1fb00f
RS
1266 (define-key map "d" 'dired-flag-file-deletion)
1267 (define-key map "e" 'dired-find-file)
1268 (define-key map "f" 'dired-find-file)
1269 (define-key map "\C-m" 'dired-advertised-find-file)
1270 (define-key map "g" 'revert-buffer)
1271 (define-key map "h" 'describe-mode)
1272 (define-key map "i" 'dired-maybe-insert-subdir)
e19d2d64 1273 (define-key map "j" 'dired-goto-file)
3e1fb00f
RS
1274 (define-key map "k" 'dired-do-kill-lines)
1275 (define-key map "l" 'dired-do-redisplay)
1276 (define-key map "m" 'dired-mark)
1277 (define-key map "n" 'dired-next-line)
1278 (define-key map "o" 'dired-find-file-other-window)
1279 (define-key map "\C-o" 'dired-display-file)
1280 (define-key map "p" 'dired-previous-line)
da8a8438 1281 (define-key map "q" 'quit-window)
3e1fb00f 1282 (define-key map "s" 'dired-sort-toggle-or-edit)
d588eb90 1283 (define-key map "t" 'dired-toggle-marks)
3e1fb00f
RS
1284 (define-key map "u" 'dired-unmark)
1285 (define-key map "v" 'dired-view-file)
a3f4a3ef 1286 (define-key map "w" 'dired-copy-filename-as-kill)
3e1fb00f 1287 (define-key map "x" 'dired-do-flagged-delete)
d1e99fa5 1288 (define-key map "y" 'dired-show-file-type)
3e1fb00f
RS
1289 (define-key map "+" 'dired-create-directory)
1290 ;; moving
1291 (define-key map "<" 'dired-prev-dirline)
1292 (define-key map ">" 'dired-next-dirline)
1293 (define-key map "^" 'dired-up-directory)
1294 (define-key map " " 'dired-next-line)
1295 (define-key map "\C-n" 'dired-next-line)
1296 (define-key map "\C-p" 'dired-previous-line)
1297 (define-key map [down] 'dired-next-line)
1298 (define-key map [up] 'dired-previous-line)
1299 ;; hiding
1300 (define-key map "$" 'dired-hide-subdir)
1301 (define-key map "\M-$" 'dired-hide-all)
b89b46cf
JL
1302 ;; isearch
1303 (define-key map (kbd "M-s a C-s") 'dired-do-isearch)
1304 (define-key map (kbd "M-s a M-C-s") 'dired-do-isearch-regexp)
eae2c85e
JL
1305 (define-key map (kbd "M-s f C-s") 'dired-isearch-filenames)
1306 (define-key map (kbd "M-s f M-C-s") 'dired-isearch-filenames-regexp)
3e1fb00f 1307 ;; misc
40aa8257 1308 (define-key map "\C-x\C-q" 'dired-toggle-read-only)
3e1fb00f
RS
1309 (define-key map "?" 'dired-summary)
1310 (define-key map "\177" 'dired-unmark-backward)
5e5a3412
RS
1311 (define-key map [remap undo] 'dired-undo)
1312 (define-key map [remap advertised-undo] 'dired-undo)
aa1a7612
CY
1313 ;; thumbnail manipulation (image-dired)
1314 (define-key map "\C-td" 'image-dired-display-thumbs)
1315 (define-key map "\C-tt" 'image-dired-tag-files)
1316 (define-key map "\C-tr" 'image-dired-delete-tag)
1317 (define-key map "\C-tj" 'image-dired-jump-thumbnail-buffer)
1318 (define-key map "\C-ti" 'image-dired-dired-display-image)
1319 (define-key map "\C-tx" 'image-dired-dired-display-external)
1320 (define-key map "\C-ta" 'image-dired-display-thumbs-append)
1321 (define-key map "\C-t." 'image-dired-display-thumb)
1322 (define-key map "\C-tc" 'image-dired-dired-comment-files)
1323 (define-key map "\C-tf" 'image-dired-mark-tagged-files)
1324 (define-key map "\C-t\C-t" 'image-dired-dired-insert-marked-thumbs)
1325 (define-key map "\C-te" 'image-dired-dired-edit-comment-and-tags)
bfeee9d1
DN
1326 ;; encryption and decryption (epa-dired)
1327 (define-key map ":d" 'epa-dired-do-decrypt)
1328 (define-key map ":v" 'epa-dired-do-verify)
1329 (define-key map ":s" 'epa-dired-do-sign)
1330 (define-key map ":e" 'epa-dired-do-encrypt)
3e1fb00f
RS
1331
1332 ;; Make menu bar items.
1333
d066de8e
EZ
1334 ;; No need to fo this, now that top-level items are fewer.
1335 ;;;;
3e1fb00f 1336 ;; Get rid of the Edit menu bar item to save space.
d066de8e 1337 ;(define-key map [menu-bar edit] 'undefined)
3e1fb00f
RS
1338
1339 (define-key map [menu-bar subdir]
1340 (cons "Subdir" (make-sparse-keymap "Subdir")))
1341
1342 (define-key map [menu-bar subdir hide-all]
d066de8e
EZ
1343 '(menu-item "Hide All" dired-hide-all
1344 :help "Hide all subdirectories, leave only header lines"))
3e1fb00f 1345 (define-key map [menu-bar subdir hide-subdir]
d066de8e
EZ
1346 '(menu-item "Hide/UnHide Subdir" dired-hide-subdir
1347 :help "Hide or unhide current directory listing"))
3e1fb00f 1348 (define-key map [menu-bar subdir tree-down]
d066de8e
EZ
1349 '(menu-item "Tree Down" dired-tree-down
1350 :help "Go to first subdirectory header down the tree"))
3e1fb00f 1351 (define-key map [menu-bar subdir tree-up]
d066de8e
EZ
1352 '(menu-item "Tree Up" dired-tree-up
1353 :help "Go to first subdirectory header up the tree"))
3e1fb00f 1354 (define-key map [menu-bar subdir up]
d066de8e
EZ
1355 '(menu-item "Up Directory" dired-up-directory
1356 :help "Edit the parent directory"))
3e1fb00f 1357 (define-key map [menu-bar subdir prev-subdir]
d066de8e
EZ
1358 '(menu-item "Prev Subdir" dired-prev-subdir
1359 :help "Go to previous subdirectory header line"))
3e1fb00f 1360 (define-key map [menu-bar subdir next-subdir]
d066de8e
EZ
1361 '(menu-item "Next Subdir" dired-next-subdir
1362 :help "Go to next subdirectory header line"))
3e1fb00f 1363 (define-key map [menu-bar subdir prev-dirline]
d066de8e
EZ
1364 '(menu-item "Prev Dirline" dired-prev-dirline
1365 :help "Move to next directory-file line"))
3e1fb00f 1366 (define-key map [menu-bar subdir next-dirline]
d066de8e
EZ
1367 '(menu-item "Next Dirline" dired-next-dirline
1368 :help "Move to previous directory-file line"))
3e1fb00f 1369 (define-key map [menu-bar subdir insert]
d066de8e
EZ
1370 '(menu-item "Insert This Subdir" dired-maybe-insert-subdir
1371 :help "Insert contents of subdirectory"))
3e1fb00f
RS
1372
1373 (define-key map [menu-bar immediate]
1374 (cons "Immediate" (make-sparse-keymap "Immediate")))
1375
bfeee9d1
DN
1376 (define-key map
1377 [menu-bar immediate epa-dired-do-decrypt]
1378 '(menu-item "Decrypt" epa-dired-do-decrypt
1379 :help "Decrypt file at cursor"))
1380
1381 (define-key map
1382 [menu-bar immediate epa-dired-do-verify]
1383 '(menu-item "Verify" epa-dired-do-verify
1384 :help "Verify digital signature of file at cursor"))
1385
1386 (define-key map
1387 [menu-bar immediate epa-dired-do-sign]
1388 '(menu-item "Sign" epa-dired-do-sign
1389 :help "Create digital signature of file at cursor"))
1390
1391 (define-key map
1392 [menu-bar immediate epa-dired-do-encrypt]
1393 '(menu-item "Encrypt" epa-dired-do-encrypt
1394 :help "Encrypt file at cursor"))
1395
1396 (define-key map [menu-bar immediate dashes-4]
1397 '("--"))
1398
635abd82 1399 (define-key map
aa1a7612
CY
1400 [menu-bar immediate image-dired-dired-display-external]
1401 '(menu-item "Display Image Externally" image-dired-dired-display-external
bc4dbed5 1402 :help "Display image in external viewer"))
635abd82 1403 (define-key map
aa1a7612
CY
1404 [menu-bar immediate image-dired-dired-display-image]
1405 '(menu-item "Display Image" image-dired-dired-display-image
bc4dbed5 1406 :help "Display sized image in a separate window"))
36938994 1407
836788c9
MD
1408 (define-key map [menu-bar immediate dashes-4]
1409 '("--"))
1410
1411 (define-key map [menu-bar immediate revert-buffer]
1412 '(menu-item "Refresh" revert-buffer
1413 :help "Update contents of shown directories"))
1414
1415 (define-key map [menu-bar immediate dashes]
1416 '("--"))
635abd82 1417
eae2c85e
JL
1418 (define-key map [menu-bar immediate isearch-filenames-regexp]
1419 '(menu-item "Isearch Regexp in File Names..." dired-isearch-filenames-regexp
1420 :help "Incrementally search for regexp in file names only"))
1421 (define-key map [menu-bar immediate isearch-filenames]
1422 '(menu-item "Isearch in File Names..." dired-isearch-filenames
1423 :help "Incrementally search for string in file names only."))
0e2aaf98 1424 (define-key map [menu-bar immediate compare-directories]
27af5d58 1425 '(menu-item "Compare Directories..." dired-compare-directories
0e2aaf98 1426 :help "Mark files with different attributes in two dired buffers"))
3e1fb00f 1427 (define-key map [menu-bar immediate backup-diff]
d066de8e
EZ
1428 '(menu-item "Compare with Backup" dired-backup-diff
1429 :help "Diff file at cursor with its latest backup"))
3e1fb00f 1430 (define-key map [menu-bar immediate diff]
d066de8e
EZ
1431 '(menu-item "Diff..." dired-diff
1432 :help "Compare file at cursor with another file"))
3e1fb00f 1433 (define-key map [menu-bar immediate view]
d066de8e
EZ
1434 '(menu-item "View This File" dired-view-file
1435 :help "Examine file at cursor in read-only mode"))
3e1fb00f 1436 (define-key map [menu-bar immediate display]
d066de8e
EZ
1437 '(menu-item "Display in Other Window" dired-display-file
1438 :help "Display file at cursor in other window"))
3e1fb00f 1439 (define-key map [menu-bar immediate find-file-other-window]
d066de8e
EZ
1440 '(menu-item "Find in Other Window" dired-find-file-other-window
1441 :help "Edit file at cursor in other window"))
3e1fb00f 1442 (define-key map [menu-bar immediate find-file]
d066de8e
EZ
1443 '(menu-item "Find This File" dired-find-file
1444 :help "Edit file at cursor"))
3e1fb00f 1445 (define-key map [menu-bar immediate create-directory]
4b33a64a
DN
1446 '(menu-item "Create Directory..." dired-create-directory
1447 :help "Create a directory"))
2ecab840 1448 (define-key map [menu-bar immediate wdired-mode]
40aa8257 1449 '(menu-item "Edit File Names" wdired-change-to-wdired-mode
4b33a64a 1450 :help "Put a dired buffer in a mode in which filenames are editable"
89e87059 1451 :keys "C-x C-q"
40aa8257 1452 :filter (lambda (x) (if (eq major-mode 'dired-mode) x))))
3e1fb00f
RS
1453
1454 (define-key map [menu-bar regexp]
1455 (cons "Regexp" (make-sparse-keymap "Regexp")))
1456
836788c9 1457 (define-key map
aa1a7612
CY
1458 [menu-bar regexp image-dired-mark-tagged-files]
1459 '(menu-item "Mark From Image Tag..." image-dired-mark-tagged-files
098bab71
JB
1460 :help "Mark files whose image tags matches regexp"))
1461
836788c9 1462 (define-key map [menu-bar regexp dashes-1]
098bab71 1463 '("--"))
836788c9 1464
3e1fb00f 1465 (define-key map [menu-bar regexp downcase]
d066de8e
EZ
1466 '(menu-item "Downcase" dired-downcase
1467 ;; When running on plain MS-DOS, there's only one
1468 ;; letter-case for file names.
1469 :enable (or (not (fboundp 'msdos-long-file-names))
1470 (msdos-long-file-names))
1471 :help "Rename marked files to lower-case name"))
3e1fb00f 1472 (define-key map [menu-bar regexp upcase]
d066de8e
EZ
1473 '(menu-item "Upcase" dired-upcase
1474 :enable (or (not (fboundp 'msdos-long-file-names))
1475 (msdos-long-file-names))
1476 :help "Rename marked files to upper-case name"))
3e1fb00f 1477 (define-key map [menu-bar regexp hardlink]
d066de8e
EZ
1478 '(menu-item "Hardlink..." dired-do-hardlink-regexp
1479 :help "Make hard links for files matching regexp"))
3e1fb00f 1480 (define-key map [menu-bar regexp symlink]
d066de8e
EZ
1481 '(menu-item "Symlink..." dired-do-symlink-regexp
1482 :visible (fboundp 'make-symbolic-link)
1483 :help "Make symbolic links for files matching regexp"))
3e1fb00f 1484 (define-key map [menu-bar regexp rename]
d066de8e
EZ
1485 '(menu-item "Rename..." dired-do-rename-regexp
1486 :help "Rename marked files matching regexp"))
3e1fb00f 1487 (define-key map [menu-bar regexp copy]
d066de8e
EZ
1488 '(menu-item "Copy..." dired-do-copy-regexp
1489 :help "Copy marked files matching regexp"))
3e1fb00f 1490 (define-key map [menu-bar regexp flag]
d066de8e
EZ
1491 '(menu-item "Flag..." dired-flag-files-regexp
1492 :help "Flag files matching regexp for deletion"))
3e1fb00f 1493 (define-key map [menu-bar regexp mark]
d066de8e
EZ
1494 '(menu-item "Mark..." dired-mark-files-regexp
1495 :help "Mark files matching regexp for future operations"))
aa924deb 1496 (define-key map [menu-bar regexp mark-cont]
d066de8e
EZ
1497 '(menu-item "Mark Containing..." dired-mark-files-containing-regexp
1498 :help "Mark files whose contents matches regexp"))
3e1fb00f
RS
1499
1500 (define-key map [menu-bar mark]
1501 (cons "Mark" (make-sparse-keymap "Mark")))
1502
1503 (define-key map [menu-bar mark prev]
d066de8e
EZ
1504 '(menu-item "Previous Marked" dired-prev-marked-file
1505 :help "Move to previous marked file"))
3e1fb00f 1506 (define-key map [menu-bar mark next]
d066de8e
EZ
1507 '(menu-item "Next Marked" dired-next-marked-file
1508 :help "Move to next marked file"))
3e1fb00f 1509 (define-key map [menu-bar mark marks]
d066de8e
EZ
1510 '(menu-item "Change Marks..." dired-change-marks
1511 :help "Replace marker with another character"))
3e1fb00f 1512 (define-key map [menu-bar mark unmark-all]
d066de8e 1513 '(menu-item "Unmark All" dired-unmark-all-marks))
3e1fb00f 1514 (define-key map [menu-bar mark symlinks]
d066de8e
EZ
1515 '(menu-item "Mark Symlinks" dired-mark-symlinks
1516 :visible (fboundp 'make-symbolic-link)
1517 :help "Mark all symbolic links"))
3e1fb00f 1518 (define-key map [menu-bar mark directories]
d066de8e
EZ
1519 '(menu-item "Mark Directories" dired-mark-directories
1520 :help "Mark all directories except `.' and `..'"))
3e1fb00f 1521 (define-key map [menu-bar mark directory]
d066de8e
EZ
1522 '(menu-item "Mark Old Backups" dired-clean-directory
1523 :help "Flag old numbered backups for deletion"))
3e1fb00f 1524 (define-key map [menu-bar mark executables]
d066de8e
EZ
1525 '(menu-item "Mark Executables" dired-mark-executables
1526 :help "Mark all executable files"))
84d3f6e8 1527 (define-key map [menu-bar mark garbage-files]
d066de8e
EZ
1528 '(menu-item "Flag Garbage Files" dired-flag-garbage-files
1529 :help "Flag unneeded files for deletion"))
3e1fb00f 1530 (define-key map [menu-bar mark backup-files]
d066de8e
EZ
1531 '(menu-item "Flag Backup Files" dired-flag-backup-files
1532 :help "Flag all backup files for deletion"))
3e1fb00f 1533 (define-key map [menu-bar mark auto-save-files]
d066de8e
EZ
1534 '(menu-item "Flag Auto-save Files" dired-flag-auto-save-files
1535 :help "Flag auto-save files for deletion"))
3e1fb00f 1536 (define-key map [menu-bar mark deletion]
d066de8e
EZ
1537 '(menu-item "Flag" dired-flag-file-deletion
1538 :help "Flag current line's file for deletion"))
3e1fb00f 1539 (define-key map [menu-bar mark unmark]
d066de8e
EZ
1540 '(menu-item "Unmark" dired-unmark
1541 :help "Unmark or unflag current line's file"))
3e1fb00f 1542 (define-key map [menu-bar mark mark]
d066de8e
EZ
1543 '(menu-item "Mark" dired-mark
1544 :help "Mark current line's file for future operations"))
e5f0841e 1545 (define-key map [menu-bar mark toggle-marks]
d588eb90 1546 '(menu-item "Toggle Marks" dired-toggle-marks
d066de8e 1547 :help "Mark unmarked files, unmark marked ones"))
3e1fb00f
RS
1548
1549 (define-key map [menu-bar operate]
1550 (cons "Operate" (make-sparse-keymap "Operate")))
1551
836788c9 1552 (define-key map
aa1a7612
CY
1553 [menu-bar operate image-dired-delete-tag]
1554 '(menu-item "Delete Image Tag..." image-dired-delete-tag
b305952d 1555 :help "Delete image tag from current or marked files"))
836788c9 1556 (define-key map
aa1a7612
CY
1557 [menu-bar operate image-dired-tag-files]
1558 '(menu-item "Add Image Tags..." image-dired-tag-files
836788c9
MD
1559 :help "Add image tags to current or marked files"))
1560 (define-key map
aa1a7612
CY
1561 [menu-bar operate image-dired-dired-comment-files]
1562 '(menu-item "Add Image Comment..." image-dired-dired-comment-files
836788c9
MD
1563 :help "Add image comment to current or marked files"))
1564 (define-key map
aa1a7612 1565 [menu-bar operate image-dired-display-thumbs]
a41925a2
JL
1566 '(menu-item "Display image thumbnails" image-dired-display-thumbs
1567 :help "Display image thumbnails for current or marked image files"))
098bab71 1568
836788c9 1569 (define-key map [menu-bar operate dashes-3]
098bab71 1570 '("--"))
836788c9 1571
3e1fb00f 1572 (define-key map [menu-bar operate query-replace]
ee93b692 1573 '(menu-item "Query Replace in Files..." dired-do-query-replace-regexp
d066de8e 1574 :help "Replace regexp in marked files"))
3e1fb00f 1575 (define-key map [menu-bar operate search]
d066de8e
EZ
1576 '(menu-item "Search Files..." dired-do-search
1577 :help "Search marked files for regexp"))
b89b46cf
JL
1578 (define-key map [menu-bar operate isearch-regexp]
1579 '(menu-item "Isearch Regexp Files..." dired-do-isearch-regexp
1580 :help "Incrementally search marked files for regexp"))
1581 (define-key map [menu-bar operate isearch]
1582 '(menu-item "Isearch Files..." dired-do-isearch
1583 :help "Incrementally search marked files for string"))
3e1fb00f 1584 (define-key map [menu-bar operate chown]
d066de8e
EZ
1585 '(menu-item "Change Owner..." dired-do-chown
1586 :visible (not (memq system-type '(ms-dos windows-nt)))
1587 :help "Change the owner of marked files"))
3e1fb00f 1588 (define-key map [menu-bar operate chgrp]
d066de8e
EZ
1589 '(menu-item "Change Group..." dired-do-chgrp
1590 :visible (not (memq system-type '(ms-dos windows-nt)))
1591 :help "Change the group of marked files"))
3e1fb00f 1592 (define-key map [menu-bar operate chmod]
d066de8e
EZ
1593 '(menu-item "Change Mode..." dired-do-chmod
1594 :help "Change mode (attributes) of marked files"))
57654b8c
JL
1595 (define-key map [menu-bar operate touch]
1596 '(menu-item "Change Timestamp..." dired-do-touch
1597 :help "Change timestamp of marked files"))
3e1fb00f 1598 (define-key map [menu-bar operate load]
d066de8e
EZ
1599 '(menu-item "Load" dired-do-load
1600 :help "Load marked Emacs Lisp files"))
3e1fb00f 1601 (define-key map [menu-bar operate compile]
d066de8e
EZ
1602 '(menu-item "Byte-compile" dired-do-byte-compile
1603 :help "Byte-compile marked Emacs Lisp files"))
3e1fb00f 1604 (define-key map [menu-bar operate compress]
d066de8e
EZ
1605 '(menu-item "Compress" dired-do-compress
1606 :help "Compress/uncompress marked files"))
3e1fb00f 1607 (define-key map [menu-bar operate print]
d066de8e
EZ
1608 '(menu-item "Print..." dired-do-print
1609 :help "Ask for print command and print marked files"))
3e1fb00f 1610 (define-key map [menu-bar operate hardlink]
d066de8e
EZ
1611 '(menu-item "Hardlink to..." dired-do-hardlink
1612 :help "Make hard links for current or marked files"))
3e1fb00f 1613 (define-key map [menu-bar operate symlink]
d066de8e
EZ
1614 '(menu-item "Symlink to..." dired-do-symlink
1615 :visible (fboundp 'make-symbolic-link)
1616 :help "Make symbolic links for current or marked files"))
3e1fb00f 1617 (define-key map [menu-bar operate command]
d066de8e
EZ
1618 '(menu-item "Shell Command..." dired-do-shell-command
1619 :help "Run a shell command on each of marked files"))
3e1fb00f 1620 (define-key map [menu-bar operate delete]
d066de8e
EZ
1621 '(menu-item "Delete" dired-do-delete
1622 :help "Delete current file or all marked files"))
3e1fb00f 1623 (define-key map [menu-bar operate rename]
d066de8e
EZ
1624 '(menu-item "Rename to..." dired-do-rename
1625 :help "Rename current file or move marked files"))
3e1fb00f 1626 (define-key map [menu-bar operate copy]
d066de8e
EZ
1627 '(menu-item "Copy to..." dired-do-copy
1628 :help "Copy current file or all marked files"))
3e1fb00f 1629
d7aed37c
SM
1630 map)
1631 "Local keymap for `dired-mode' buffers.")
83fadedf 1632\f
84fc2cfa
ER
1633;; Dired mode is suitable only for specially formatted data.
1634(put 'dired-mode 'mode-class 'special)
1635
a515788d
LH
1636;; Autoload cookie needed by desktop.el
1637;;;###autoload
492d2437
RS
1638(defun dired-mode (&optional dirname switches)
1639 "\
1640Mode for \"editing\" directory listings.
68d2f12f 1641In Dired, you are \"editing\" a list of the files in a directory and
492d2437
RS
1642 \(optionally) its subdirectories, in the format of `ls -lR'.
1643 Each directory is a page: use \\[backward-page] and \\[forward-page] to move pagewise.
1644\"Editing\" means that you can run shell commands on files, visit,
1645 compress, load or byte-compile them, change their file attributes
1646 and insert subdirectories into the same buffer. You can \"mark\"
1647 files for later commands or \"flag\" them for deletion, either file
1648 by file or all files matching certain criteria.
1649You can move using the usual cursor motion commands.\\<dired-mode-map>
1650Letters no longer insert themselves. Digits are prefix arguments.
1651Instead, type \\[dired-flag-file-deletion] to flag a file for Deletion.
1652Type \\[dired-mark] to Mark a file or subdirectory for later commands.
1653 Most commands operate on the marked files and use the current file
1654 if no files are marked. Use a numeric prefix argument to operate on
1655 the next ARG (or previous -ARG if ARG<0) files, or just `1'
1656 to operate on the current file only. Prefix arguments override marks.
1657 Mark-using commands display a list of failures afterwards. Type \\[dired-summary]
1658 to see why something went wrong.
1659Type \\[dired-unmark] to Unmark a file or all files of a subdirectory.
1660Type \\[dired-unmark-backward] to back up one line and unflag.
1661Type \\[dired-do-flagged-delete] to eXecute the deletions requested.
1662Type \\[dired-advertised-find-file] to Find the current line's file
1663 (or dired it in another buffer, if it is a directory).
1664Type \\[dired-find-file-other-window] to find file or dired directory in Other window.
1665Type \\[dired-maybe-insert-subdir] to Insert a subdirectory in this buffer.
1666Type \\[dired-do-rename] to Rename a file or move the marked files to another directory.
1667Type \\[dired-do-copy] to Copy files.
ee680b2b
JB
1668Type \\[dired-sort-toggle-or-edit] to toggle Sorting by name/date or change the `ls' switches.
1669Type \\[revert-buffer] to read all currently expanded directories aGain.
492d2437
RS
1670 This retains all marks and hides subdirs again that were hidden before.
1671SPC and DEL can be used to move down and up by lines.
1672
ee680b2b 1673If Dired ever gets confused, you can either type \\[revert-buffer] \
492d2437
RS
1674to read the
1675directories again, type \\[dired-do-redisplay] \
1676to relist a single or the marked files or a
1677subdirectory, or type \\[dired-build-subdir-alist] to parse the buffer
1678again for the directory tree.
1679
1680Customization variables (rename this buffer and type \\[describe-variable] on each line
1681for more info):
1682
87ae59e3
SM
1683 `dired-listing-switches'
1684 `dired-trivial-filenames'
1685 `dired-shrink-to-fit'
1686 `dired-marker-char'
1687 `dired-del-marker'
1688 `dired-keep-marker-rename'
1689 `dired-keep-marker-copy'
1690 `dired-keep-marker-hardlink'
1691 `dired-keep-marker-symlink'
492d2437
RS
1692
1693Hooks (use \\[describe-variable] to see their documentation):
1694
87ae59e3
SM
1695 `dired-before-readin-hook'
1696 `dired-after-readin-hook'
1697 `dired-mode-hook'
1698 `dired-load-hook'
492d2437
RS
1699
1700Keybindings:
84fc2cfa 1701\\{dired-mode-map}"
492d2437
RS
1702 ;; Not to be called interactively (e.g. dired-directory will be set
1703 ;; to default-directory, which is wrong with wildcards).
84fc2cfa 1704 (kill-all-local-variables)
84fc2cfa 1705 (use-local-map dired-mode-map)
492d2437
RS
1706 (dired-advertise) ; default-directory is already set
1707 (setq major-mode 'dired-mode
1708 mode-name "Dired"
87ae59e3 1709 ;; case-fold-search nil
492d2437
RS
1710 buffer-read-only t
1711 selective-display t ; for subdirectory hiding
0acdf642
GM
1712 mode-line-buffer-identification
1713 (propertized-buffer-identification "%17b"))
492d2437
RS
1714 (set (make-local-variable 'revert-buffer-function)
1715 (function dired-revert))
573e4d2d
LT
1716 (set (make-local-variable 'buffer-stale-function)
1717 (function dired-buffer-stale-p))
492d2437
RS
1718 (set (make-local-variable 'page-delimiter)
1719 "\n\n")
1720 (set (make-local-variable 'dired-directory)
1721 (or dirname default-directory))
1722 ;; list-buffers uses this to display the dir being edited in this buffer.
1723 (set (make-local-variable 'list-buffers-directory)
86e6e4b3
RS
1724 (expand-file-name (if (listp dired-directory)
1725 (car dired-directory)
1726 dired-directory)))
492d2437
RS
1727 (set (make-local-variable 'dired-actual-switches)
1728 (or switches dired-listing-switches))
d7aed37c
SM
1729 (set (make-local-variable 'font-lock-defaults)
1730 '(dired-font-lock-keywords t nil nil beginning-of-line))
cb5f1f67 1731 (set (make-local-variable 'desktop-save-buffer)
31b4c848 1732 'dired-desktop-buffer-misc-data)
5553077c 1733 (setq dired-switches-alist nil)
492d2437 1734 (dired-sort-other dired-actual-switches t)
361eee8f 1735 (when (featurep 'dnd)
6ae53dc1
RS
1736 (set (make-local-variable 'dnd-protocol-alist)
1737 (append dired-dnd-protocol-alist dnd-protocol-alist)))
eae2c85e 1738 (add-hook 'isearch-mode-hook 'dired-isearch-filenames-setup nil t)
1ed8284d 1739 (run-mode-hooks 'dired-mode-hook))
83fadedf 1740\f
eb8c3be9 1741;; Idiosyncratic dired commands that don't deal with marks.
84fc2cfa 1742
84fc2cfa 1743(defun dired-summary ()
ee680b2b 1744 "Summarize basic Dired commands and show recent dired errors."
84fc2cfa 1745 (interactive)
492d2437 1746 (dired-why)
84fc2cfa
ER
1747 ;>> this should check the key-bindings and use substitute-command-keys if non-standard
1748 (message
50f74744 1749 "d-elete, u-ndelete, x-punge, f-ind, o-ther window, R-ename, C-opy, h-elp"))
84fc2cfa 1750
492d2437
RS
1751(defun dired-undo ()
1752 "Undo in a dired buffer.
1753This doesn't recover lost files, it just undoes changes in the buffer itself.
487327a9 1754You can use it to recover marks, killed lines or subdirs."
492d2437 1755 (interactive)
f836b98e 1756 (let ((inhibit-read-only t))
487327a9
LT
1757 (undo))
1758 (dired-build-subdir-alist)
ee680b2b 1759 (message "Change in dired buffer undone.
487327a9 1760Actual changes in files cannot be undone by Emacs."))
84fc2cfa 1761
40aa8257
JL
1762(defun dired-toggle-read-only ()
1763 "Edit dired buffer with Wdired, or set it read-only.
1764Call `wdired-change-to-wdired-mode' in dired buffers whose editing is
1765supported by Wdired (the major mode of the dired buffer is `dired-mode').
1766Otherwise, for buffers inheriting from dired-mode, call `toggle-read-only'."
1767 (interactive)
1768 (if (eq major-mode 'dired-mode)
1769 (wdired-change-to-wdired-mode)
1770 (toggle-read-only)))
1771
84fc2cfa
ER
1772(defun dired-next-line (arg)
1773 "Move down lines then position at filename.
1774Optional prefix ARG says how many lines to move; default is one line."
1775 (interactive "p")
e82a724f 1776 (forward-line arg)
84fc2cfa
ER
1777 (dired-move-to-filename))
1778
1779(defun dired-previous-line (arg)
1780 "Move up lines then position at filename.
1781Optional prefix ARG says how many lines to move; default is one line."
1782 (interactive "p")
e82a724f 1783 (forward-line (- arg))
84fc2cfa
ER
1784 (dired-move-to-filename))
1785
492d2437
RS
1786(defun dired-next-dirline (arg &optional opoint)
1787 "Goto ARG'th next directory file line."
1788 (interactive "p")
1789 (or opoint (setq opoint (point)))
1790 (if (if (> arg 0)
1791 (re-search-forward dired-re-dir nil t arg)
1792 (beginning-of-line)
1793 (re-search-backward dired-re-dir nil t (- arg)))
1794 (dired-move-to-filename) ; user may type `i' or `f'
1795 (goto-char opoint)
1796 (error "No more subdirectories")))
1797
1798(defun dired-prev-dirline (arg)
1799 "Goto ARG'th previous directory file line."
1800 (interactive "p")
1801 (dired-next-dirline (- arg)))
1802
ac1ce341 1803(defun dired-up-directory (&optional other-window)
68d2f12f 1804 "Run Dired on parent directory of current directory.
492d2437
RS
1805Find the parent directory either in this buffer or another buffer.
1806Creates a buffer if necessary."
ac1ce341 1807 (interactive "P")
492d2437
RS
1808 (let* ((dir (dired-current-directory))
1809 (up (file-name-directory (directory-file-name dir))))
1810 (or (dired-goto-file (directory-file-name dir))
7b2469ae
RS
1811 ;; Only try dired-goto-subdir if buffer has more than one dir.
1812 (and (cdr dired-subdir-alist)
492d2437
RS
1813 (dired-goto-subdir up))
1814 (progn
ac1ce341
EN
1815 (if other-window
1816 (dired-other-window up)
1817 (dired up))
492d2437 1818 (dired-goto-file dir)))))
84fc2cfa 1819
68d2f12f
RS
1820(defun dired-get-file-for-visit ()
1821 "Get the current line's file name, with an error if file does not exist."
53fd9d05 1822 (interactive)
e9407052
RS
1823 ;; We pass t for second arg so that we don't get error for `.' and `..'.
1824 (let ((raw (dired-get-filename nil t))
1825 file-name)
1826 (if (null raw)
1827 (error "No file on this line"))
1828 (setq file-name (file-name-sans-versions raw t))
c439687b 1829 (if (file-exists-p file-name)
68d2f12f 1830 file-name
55642aa4
RS
1831 (if (file-symlink-p file-name)
1832 (error "File is a symlink to a nonexistent target")
ee680b2b 1833 (error "File no longer exists; type `g' to update dired buffer")))))
84fc2cfa 1834
68d2f12f
RS
1835;; Force `f' rather than `e' in the mode doc:
1836(defalias 'dired-advertised-find-file 'dired-find-file)
1837(defun dired-find-file ()
1838 "In Dired, visit the file or directory named on this line."
1839 (interactive)
1d5ad120 1840 ;; Bind `find-file-run-dired' so that the command works on directories
59d18288
RS
1841 ;; too, independent of the user's setting.
1842 (let ((find-file-run-dired t))
1843 (find-file (dired-get-file-for-visit))))
68d2f12f 1844
c5753a5d 1845(defun dired-find-alternate-file ()
68d2f12f 1846 "In Dired, visit this file or directory instead of the dired buffer."
c5753a5d
GM
1847 (interactive)
1848 (set-buffer-modified-p nil)
68d2f12f 1849 (find-alternate-file (dired-get-file-for-visit)))
336cd99d 1850;; Don't override the setting from .emacs.
c21993d0 1851;;;###autoload (put 'dired-find-alternate-file 'disabled t)
c5753a5d 1852
dbcb9389 1853(defun dired-mouse-find-file-other-window (event)
68d2f12f 1854 "In Dired, visit the file or directory name you click on."
dbcb9389 1855 (interactive "e")
2aaa7f0a 1856 (let (window pos file)
dbcb9389 1857 (save-excursion
2aaa7f0a
RS
1858 (setq window (posn-window (event-end event))
1859 pos (posn-point (event-end event)))
1860 (if (not (windowp window))
1861 (error "No file chosen"))
1862 (set-buffer (window-buffer window))
1863 (goto-char pos)
1864 (setq file (dired-get-file-for-visit)))
55a87770
RS
1865 (if (file-directory-p file)
1866 (or (and (cdr dired-subdir-alist)
1867 (dired-goto-subdir file))
1868 (progn
1869 (select-window window)
1870 (dired-other-window file)))
3f68d7c8
RS
1871 (select-window window)
1872 (find-file-other-window (file-name-sans-versions file t)))))
b70ebe37 1873
84fc2cfa 1874(defun dired-view-file ()
ee680b2b 1875 "In Dired, examine a file in view mode, returning to Dired when done.
b70ebe37 1876When file is a directory, show it in this buffer if it is inserted.
3f68d7c8 1877Otherwise, display it in another buffer."
84fc2cfa 1878 (interactive)
68d2f12f
RS
1879 (let ((file (dired-get-file-for-visit)))
1880 (if (file-directory-p file)
1881 (or (and (cdr dired-subdir-alist)
1882 (dired-goto-subdir file))
1883 (dired file))
3f68d7c8 1884 (view-file file))))
84fc2cfa
ER
1885
1886(defun dired-find-file-other-window ()
68d2f12f 1887 "In Dired, visit this file or directory in another window."
84fc2cfa 1888 (interactive)
68d2f12f 1889 (find-file-other-window (dired-get-file-for-visit)))
ab67260b
RS
1890
1891(defun dired-display-file ()
68d2f12f 1892 "In Dired, display this file or directory in another window."
ab67260b 1893 (interactive)
68d2f12f 1894 (display-buffer (find-file-noselect (dired-get-file-for-visit))))
83fadedf 1895\f
68d2f12f 1896;;; Functions for extracting and manipulating file names in Dired buffers.
84fc2cfa
ER
1897
1898(defun dired-get-filename (&optional localp no-error-if-not-filep)
68d2f12f 1899 "In Dired, return name of file mentioned on this line.
84fc2cfa 1900Value returned normally includes the directory name.
492d2437 1901Optional arg LOCALP with value `no-dir' means don't include directory
147e214c
LT
1902name in result. A value of `verbatim' means to return the name exactly as
1903it occurs in the buffer, and a value of t means construct name relative to
1904`default-directory', which still may contain slashes if in a subdirectory.
1905Optional arg NO-ERROR-IF-NOT-FILEP means treat `.' and `..' as
1906regular filenames and return nil if no filename on this line.
1907Otherwise, an error occurs in these cases."
a5e0e1a8 1908 (let (case-fold-search file p1 p2 already-absolute)
84fc2cfa 1909 (save-excursion
492d2437
RS
1910 (if (setq p1 (dired-move-to-filename (not no-error-if-not-filep)))
1911 (setq p2 (dired-move-to-end-of-filename no-error-if-not-filep))))
1912 ;; nil if no file on this line, but no-error-if-not-filep is t:
9888aa65
RS
1913 (if (setq file (and p1 p2 (buffer-substring p1 p2)))
1914 (progn
1915 ;; Get rid of the mouse-face property that file names have.
1916 (set-text-properties 0 (length file) nil file)
1917 ;; Unquote names quoted by ls or by dired-insert-directory.
1918 ;; Using read to unquote is much faster than substituting
1919 ;; \007 (4 chars) -> ^G (1 char) etc. in a lisp loop.
1920 (setq file
1921 (read
1922 (concat "\""
2b2059d8 1923 ;; Some ls -b don't escape quotes, argh!
9888aa65
RS
1924 ;; This is not needed for GNU ls, though.
1925 (or (dired-string-replace-match
bc07e5cb 1926 "\\([^\\]\\|\\`\\)\"" file "\\1\\\\\"" nil t)
9888aa65 1927 file)
038b5501
KH
1928 "\"")))
1929 ;; The above `read' will return a unibyte string if FILE
1930 ;; contains eight-bit-control/graphic characters.
1931 (if (and enable-multibyte-characters
1932 (not (multibyte-string-p file)))
1933 (setq file (string-to-multibyte file)))))
f6e2cbe3 1934 (and file (file-name-absolute-p file)
7994d91a
RS
1935 ;; A relative file name can start with ~.
1936 ;; Don't treat it as absolute in this context.
1937 (not (eq (aref file 0) ?~))
a5e0e1a8 1938 (setq already-absolute t))
a5e0e1a8 1939 (cond
b95ddab3
RS
1940 ((null file)
1941 nil)
1d5ad120
JB
1942 ((eq localp 'verbatim)
1943 file)
e9407052 1944 ((and (not no-error-if-not-filep)
5709c1a0 1945 (member file '("." "..")))
e9407052 1946 (error "Cannot operate on `.' or `..'"))
a5e0e1a8
EZ
1947 ((and (eq localp 'no-dir) already-absolute)
1948 (file-name-nondirectory file))
b95ddab3 1949 (already-absolute
ca66efd1
RS
1950 (let ((handler (find-file-name-handler file nil)))
1951 ;; check for safe-magic property so that we won't
1952 ;; put /: for names that don't really need them.
0b7bc76f 1953 ;; For instance, .gz files when auto-compression-mode is on.
ca66efd1
RS
1954 (if (and handler (not (get handler 'safe-magic)))
1955 (concat "/:" file)
1956 file)))
b95ddab3 1957 ((eq localp 'no-dir)
a5e0e1a8 1958 file)
b95ddab3
RS
1959 ((equal (dired-current-directory) "/")
1960 (setq file (concat (dired-current-directory localp) file))
ca66efd1
RS
1961 (let ((handler (find-file-name-handler file nil)))
1962 ;; check for safe-magic property so that we won't
1963 ;; put /: for names that don't really need them.
1964 ;; For instance, .gz files when auto-compression-mode is on.
1965 (if (and handler (not (get handler 'safe-magic)))
1966 (concat "/:" file)
1967 file)))
a5e0e1a8 1968 (t
b95ddab3 1969 (concat (dired-current-directory localp) file)))))
492d2437 1970
437fe5ae 1971(defun dired-string-replace-match (regexp string newtext
1d5ad120 1972 &optional literal global)
437fe5ae
RS
1973 "Replace first match of REGEXP in STRING with NEWTEXT.
1974If it does not match, nil is returned instead of the new string.
1975Optional arg LITERAL means to take NEWTEXT literally.
1976Optional arg GLOBAL means to replace all matches."
1977 (if global
b976e099 1978 (let ((start 0) ret)
856321e2
RS
1979 (while (string-match regexp string start)
1980 (let ((from-end (- (length string) (match-end 0))))
b976e099 1981 (setq ret (setq string (replace-match newtext t literal string)))
856321e2 1982 (setq start (- (length string) from-end))))
b976e099 1983 ret)
437fe5ae
RS
1984 (if (not (string-match regexp string 0))
1985 nil
856321e2 1986 (replace-match newtext t literal string))))
437fe5ae 1987
492d2437 1988(defun dired-make-absolute (file &optional dir)
470fa6d1 1989 ;;"Convert FILE (a file name relative to DIR) to an absolute file name."
492d2437
RS
1990 ;; We can't always use expand-file-name as this would get rid of `.'
1991 ;; or expand in / instead default-directory if DIR=="".
7c2fb837 1992 ;; This should be good enough for ange-ftp.
492d2437
RS
1993 ;; It should be reasonably fast, though, as it is called in
1994 ;; dired-get-filename.
1995 (concat (or dir default-directory) file))
1996
827dc60d
RS
1997(defun dired-make-relative (file &optional dir ignore)
1998 "Convert FILE (an absolute file name) to a name relative to DIR.
1999If this is impossible, return FILE unchanged.
2000DIR must be a directory name, not a file name."
492d2437 2001 (or dir (setq dir default-directory))
7425bbff
RS
2002 ;; This case comes into play if default-directory is set to
2003 ;; use ~.
2004 (if (and (> (length dir) 0) (= (aref dir 0) ?~))
2005 (setq dir (expand-file-name dir)))
492d2437
RS
2006 (if (string-match (concat "^" (regexp-quote dir)) file)
2007 (substring file (match-end 0))
7805cdbd 2008;;; (or no-error
827dc60d
RS
2009;;; (error "%s: not in directory tree growing at %s" file dir))
2010 file))
83fadedf 2011\f
492d2437
RS
2012;;; Functions for finding the file name in a dired buffer line.
2013
23e217f6
RS
2014(defvar dired-permission-flags-regexp
2015 "\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)"
2016 "Regular expression to match the permission flags in `ls -l'.")
2017
492d2437
RS
2018;; Move to first char of filename on this line.
2019;; Returns position (point) or nil if no filename on this line."
2020(defun dired-move-to-filename (&optional raise-error eol)
a12c6dca
SM
2021 "Move to the beginning of the filename on the current line.
2022Return the position of the beginning of the filename, or nil if none found."
492d2437 2023 ;; This is the UNIX version.
2b2059d8 2024 (or eol (setq eol (line-end-position)))
492d2437 2025 (beginning-of-line)
0b7bc76f 2026 ;; First try assuming `ls --dired' was used.
2b2059d8
SM
2027 (let ((change (next-single-property-change (point) 'dired-filename nil eol)))
2028 (cond
2029 ((and change (< change eol))
2030 (goto-char change))
9bc260cf 2031 ((re-search-forward directory-listing-before-filename-regexp eol t)
2b2059d8
SM
2032 (goto-char (match-end 0)))
2033 ((re-search-forward dired-permission-flags-regexp eol t)
2034 ;; Ha! There *is* a file. Our regexp-from-hell just failed to find it.
1f3b4d04 2035 (if raise-error
9bc260cf 2036 (error "Unrecognized line! Check directory-listing-before-filename-regexp"))
1f3b4d04
SM
2037 (beginning-of-line)
2038 nil)
2b2059d8
SM
2039 (raise-error
2040 (error "No file on this line")))))
492d2437
RS
2041
2042(defun dired-move-to-end-of-filename (&optional no-error)
2043 ;; Assumes point is at beginning of filename,
2044 ;; thus the rwx bit re-search-backward below will succeed in *this*
2045 ;; line if at all. So, it should be called only after
2046 ;; (dired-move-to-filename t).
2047 ;; On failure, signals an error (with non-nil NO-ERROR just returns nil).
2048 ;; This is the UNIX version.
0b7bc76f
RS
2049 (if (get-text-property (point) 'dired-filename)
2050 (goto-char (next-single-property-change (point) 'dired-filename))
2051 (let (opoint file-type executable symlink hidden case-fold-search used-F eol)
2052 ;; case-fold-search is nil now, so we can test for capital F:
2053 (setq used-F (string-match "F" dired-actual-switches)
2054 opoint (point)
2055 eol (save-excursion (end-of-line) (point))
2056 hidden (and selective-display
2057 (save-excursion (search-forward "\r" eol t))))
2058 (if hidden
2059 nil
2060 (save-excursion ;; Find out what kind of file this is:
2061 ;; Restrict perm bits to be non-blank,
2062 ;; otherwise this matches one char to early (looking backward):
2063 ;; "l---------" (some systems make symlinks that way)
2064 ;; "----------" (plain file with zero perms)
2065 (if (re-search-backward
2066 dired-permission-flags-regexp nil t)
2067 (setq file-type (char-after (match-beginning 1))
2068 symlink (eq file-type ?l)
2069 ;; Only with -F we need to know whether it's an executable
2070 executable (and
2071 used-F
2072 (string-match
2073 "[xst]" ;; execute bit set anywhere?
2074 (concat
ff3d76aa
SM
2075 (match-string 2)
2076 (match-string 3)
2077 (match-string 4)))))
0b7bc76f
RS
2078 (or no-error (error "No file on this line"))))
2079 ;; Move point to end of name:
2080 (if symlink
a12c6dca 2081 (if (search-forward " -> " eol t)
0b7bc76f 2082 (progn
a12c6dca 2083 (forward-char -4)
0b7bc76f
RS
2084 (and used-F
2085 dired-ls-F-marks-symlinks
2086 (eq (preceding-char) ?@) ;; did ls really mark the link?
2087 (forward-char -1))))
2088 (goto-char eol) ;; else not a symbolic link
dd52fff6
TTN
2089 ;; ls -lF marks dirs, sockets, fifos and executables with exactly
2090 ;; one trailing character. (Executable bits on symlinks ain't mean
0b7bc76f
RS
2091 ;; a thing, even to ls, but we know it's not a symlink.)
2092 (and used-F
dd52fff6 2093 (or (memq file-type '(?d ?s ?p))
0b7bc76f
RS
2094 executable)
2095 (forward-char -1))))
2096 (or no-error
2097 (not (eq opoint (point)))
8c16bd8c 2098 (error "%s" (if hidden
0b7bc76f
RS
2099 (substitute-command-keys
2100 "File line is hidden, type \\[dired-hide-subdir] to unhide")
2101 "No file on this line")))
2102 (if (eq opoint (point))
2103 nil
2104 (point)))))
492d2437 2105
83fadedf 2106\f
a3f4a3ef
RS
2107;;; COPY NAMES OF MARKED FILES INTO KILL-RING.
2108
2109(defun dired-copy-filename-as-kill (&optional arg)
2110 "Copy names of marked (or next ARG) files into the kill ring.
2111The names are separated by a space.
470fa6d1 2112With a zero prefix arg, use the absolute file name of each marked file.
ee680b2b 2113With \\[universal-argument], use the file name relative to the dired buffer's
afda9919 2114`default-directory'. (This still may contain slashes if in a subdirectory.)
a3f4a3ef 2115
afda9919
LT
2116If on a subdir headerline, use absolute subdirname instead;
2117prefix arg and marked files are ignored in this case.
a3f4a3ef
RS
2118
2119You can then feed the file name(s) to other commands with \\[yank]."
2120 (interactive "P")
2121 (let ((string
2122 (or (dired-get-subdir)
2123 (mapconcat (function identity)
2124 (if arg
2125 (cond ((zerop (prefix-numeric-value arg))
2126 (dired-get-marked-files))
afda9919
LT
2127 ((consp arg)
2128 (dired-get-marked-files t))
2129 (t
2130 (dired-get-marked-files
2131 'no-dir (prefix-numeric-value arg))))
a3f4a3ef
RS
2132 (dired-get-marked-files 'no-dir))
2133 " "))))
4de547e4
RS
2134 (if (eq last-command 'kill-region)
2135 (kill-append string nil)
2136 (kill-new string))
a3f4a3ef
RS
2137 (message "%s" string)))
2138
2139\f
492d2437
RS
2140;; Keeping Dired buffers in sync with the filesystem and with each other
2141
ef746164 2142(defun dired-buffers-for-dir (dir &optional file)
492d2437 2143;; Return a list of buffers that dired DIR (top level or in-situ subdir).
ef746164
RS
2144;; If FILE is non-nil, include only those whose wildcard pattern (if any)
2145;; matches FILE.
492d2437
RS
2146;; The list is in reverse order of buffer creation, most recent last.
2147;; As a side effect, killed dired buffers for DIR are removed from
2148;; dired-buffers.
2149 (setq dir (file-name-as-directory dir))
a12c6dca 2150 (let ((alist dired-buffers) result elt buf)
492d2437 2151 (while alist
38819778
RS
2152 (setq elt (car alist)
2153 buf (cdr elt))
2154 (if (buffer-name buf)
2155 (if (dired-in-this-tree dir (car elt))
ef746164
RS
2156 (with-current-buffer buf
2157 (and (assoc dir dired-subdir-alist)
2158 (or (null file)
2159 (let ((wildcards
2160 (file-name-nondirectory dired-directory)))
2161 (or (= 0 (length wildcards))
2162 (string-match (dired-glob-regexp wildcards)
2163 file))))
2164 (setq result (cons buf result)))))
38819778
RS
2165 ;; else buffer is killed - clean up:
2166 (setq dired-buffers (delq elt dired-buffers)))
492d2437
RS
2167 (setq alist (cdr alist)))
2168 result))
2169
ef746164
RS
2170(defun dired-glob-regexp (pattern)
2171 "Convert glob-pattern PATTERN to a regular expression."
2172 (let ((matched-in-pattern 0) ;; How many chars of PATTERN we've handled.
2173 regexp)
2174 (while (string-match "[[?*]" pattern matched-in-pattern)
2175 (let ((op-end (match-end 0))
2176 (next-op (aref pattern (match-beginning 0))))
2177 (setq regexp (concat regexp
2178 (regexp-quote
2179 (substring pattern matched-in-pattern
2180 (match-beginning 0)))))
2181 (cond ((= next-op ??)
2182 (setq regexp (concat regexp "."))
2183 (setq matched-in-pattern op-end))
2184 ((= next-op ?\[)
2185 ;; Fails to handle ^ yet ????
2186 (let* ((set-start (match-beginning 0))
2187 (set-cont
2188 (if (= (aref pattern (1+ set-start)) ?^)
2189 (+ 3 set-start)
2190 (+ 2 set-start)))
2191 (set-end (string-match "]" pattern set-cont))
2192 (set (substring pattern set-start (1+ set-end))))
2193 (setq regexp (concat regexp set))
2194 (setq matched-in-pattern (1+ set-end))))
2195 ((= next-op ?*)
2196 (setq regexp (concat regexp ".*"))
2197 (setq matched-in-pattern op-end)))))
2198 (concat "\\`"
2199 regexp
2200 (regexp-quote
2201 (substring pattern matched-in-pattern))
2202 "\\'")))
2203
c60ee5e7 2204
ef746164 2205
492d2437
RS
2206(defun dired-advertise ()
2207 ;;"Advertise in variable `dired-buffers' that we dired `default-directory'."
2208 ;; With wildcards we actually advertise too much.
38819778
RS
2209 (let ((expanded-default (expand-file-name default-directory)))
2210 (if (memq (current-buffer) (dired-buffers-for-dir expanded-default))
2211 t ; we have already advertised ourselves
2212 (setq dired-buffers
2213 (cons (cons expanded-default (current-buffer))
2214 dired-buffers)))))
492d2437
RS
2215
2216(defun dired-unadvertise (dir)
2217 ;; Remove DIR from the buffer alist in variable dired-buffers.
2218 ;; This has the effect of removing any buffer whose main directory is DIR.
2219 ;; It does not affect buffers in which DIR is a subdir.
2220 ;; Removing is also done as a side-effect in dired-buffer-for-dir.
2221 (setq dired-buffers
38819778 2222 (delq (assoc (expand-file-name dir) dired-buffers) dired-buffers)))
83fadedf 2223\f
492d2437
RS
2224;; Tree Dired
2225
2226;;; utility functions
2227
2228(defun dired-in-this-tree (file dir)
2229 ;;"Is FILE part of the directory tree starting at DIR?"
2230 (let (case-fold-search)
38819778 2231 (string-match (concat "^" (regexp-quote dir)) file)))
492d2437
RS
2232
2233(defun dired-normalize-subdir (dir)
470fa6d1
KS
2234 ;; Prepend default-directory to DIR if relative file name.
2235 ;; dired-get-filename must be able to make a valid file name from a
492d2437
RS
2236 ;; file and its directory DIR.
2237 (file-name-as-directory
2238 (if (file-name-absolute-p dir)
2239 dir
2240 (expand-file-name dir default-directory))))
2241
2242(defun dired-get-subdir ()
2243 ;;"Return the subdir name on this line, or nil if not on a headerline."
2244 ;; Look up in the alist whether this is a headerline.
2245 (save-excursion
2246 (let ((cur-dir (dired-current-directory)))
2247 (beginning-of-line) ; alist stores b-o-l positions
2248 (and (zerop (- (point)
2249 (dired-get-subdir-min (assoc cur-dir
2250 dired-subdir-alist))))
2251 cur-dir))))
2252
2253;(defun dired-get-subdir-min (elt)
2254; (cdr elt))
2255;; can't use macro, must be redefinable for other alist format in dired-nstd.
62f61df0 2256(defalias 'dired-get-subdir-min 'cdr)
492d2437
RS
2257
2258(defun dired-get-subdir-max (elt)
84fc2cfa 2259 (save-excursion
492d2437
RS
2260 (goto-char (dired-get-subdir-min elt))
2261 (dired-subdir-max)))
2262
2263(defun dired-clear-alist ()
2264 (while dired-subdir-alist
2265 (set-marker (dired-get-subdir-min (car dired-subdir-alist)) nil)
2266 (setq dired-subdir-alist (cdr dired-subdir-alist))))
2267
c9d59fc2
RS
2268(defun dired-subdir-index (dir)
2269 ;; Return an index into alist for use with nth
2270 ;; for the sake of subdir moving commands.
2271 (let (found (index 0) (alist dired-subdir-alist))
2272 (while alist
2273 (if (string= dir (car (car alist)))
2274 (setq alist nil found t)
2275 (setq alist (cdr alist) index (1+ index))))
2276 (if found index nil)))
2277
2278(defun dired-next-subdir (arg &optional no-error-if-not-found no-skip)
2279 "Go to next subdirectory, regardless of level."
2280 ;; Use 0 arg to go to this directory's header line.
2281 ;; NO-SKIP prevents moving to end of header line, returning whatever
2282 ;; position was found in dired-subdir-alist.
2283 (interactive "p")
2284 (let ((this-dir (dired-current-directory))
2285 pos index)
2286 ;; nth with negative arg does not return nil but the first element
2287 (setq index (- (dired-subdir-index this-dir) arg))
2288 (setq pos (if (>= index 0)
2289 (dired-get-subdir-min (nth index dired-subdir-alist))))
2290 (if pos
2291 (progn
2292 (goto-char pos)
2293 (or no-skip (skip-chars-forward "^\n\r"))
2294 (point))
2295 (if no-error-if-not-found
2296 nil ; return nil if not found
2297 (error "%s directory" (if (> arg 0) "Last" "First"))))))
2298
3c13627a 2299(defun dired-build-subdir-alist (&optional switches)
492d2437 2300 "Build `dired-subdir-alist' by parsing the buffer.
3c13627a
EZ
2301Returns the new value of the alist.
2302If optional arg SWITCHES is non-nil, use its value
2303instead of `dired-actual-switches'."
492d2437
RS
2304 (interactive)
2305 (dired-clear-alist)
2306 (save-excursion
3c13627a 2307 (let* ((count 0)
f836b98e 2308 (inhibit-read-only t)
784a48b2 2309 (buffer-undo-list t)
3c13627a
EZ
2310 (switches (or switches dired-actual-switches))
2311 new-dir-name
2312 (R-ftp-base-dir-regex
2313 ;; Used to expand subdirectory names correctly in recursive
2314 ;; ange-ftp listings.
2315 (and (string-match "R" switches)
2316 (string-match "\\`/.*:\\(/.*\\)" default-directory)
2317 (concat "\\`" (match-string 1 default-directory)))))
84fc2cfa 2318 (goto-char (point-min))
492d2437 2319 (setq dired-subdir-alist nil)
a3d76960
RS
2320 (while (re-search-forward dired-subdir-regexp nil t)
2321 ;; Avoid taking a file name ending in a colon
2322 ;; as a subdir name.
2323 (unless (save-excursion
2324 (goto-char (match-beginning 0))
2325 (beginning-of-line)
2326 (forward-char 2)
2327 (save-match-data (looking-at dired-re-perms)))
2328 (save-excursion
2329 (goto-char (match-beginning 1))
2330 (setq new-dir-name
2331 (buffer-substring-no-properties (point) (match-end 1))
2332 new-dir-name
2333 (save-match-data
2334 (if (and R-ftp-base-dir-regex
2335 (not (string= new-dir-name default-directory))
2336 (string-match R-ftp-base-dir-regex new-dir-name))
2337 (concat default-directory
2338 (substring new-dir-name (match-end 0)))
2339 (expand-file-name new-dir-name))))
2340 (delete-region (point) (match-end 1))
7de3f9a4
RS
2341 (insert new-dir-name))
2342 (setq count (1+ count))
2343 (dired-alist-add-1 new-dir-name
2344 ;; Place a sub directory boundary between lines.
2345 (save-excursion
2346 (goto-char (match-beginning 0))
2347 (beginning-of-line)
2348 (point-marker)))))
5553077c 2349 (if (and (> count 1) (interactive-p))
a3d76960
RS
2350 (message "Buffer includes %d directories" count)))
2351 ;; We don't need to sort it because it is in buffer order per
2352 ;; constructionem. Return new alist:
2353 dired-subdir-alist))
492d2437
RS
2354
2355(defun dired-alist-add-1 (dir new-marker)
2356 ;; Add new DIR at NEW-MARKER. Don't sort.
2357 (setq dired-subdir-alist
2358 (cons (cons (dired-normalize-subdir dir) new-marker)
2359 dired-subdir-alist)))
2360
2361(defun dired-goto-next-nontrivial-file ()
2362 ;; Position point on first nontrivial file after point.
2363 (dired-goto-next-file);; so there is a file to compare with
2364 (if (stringp dired-trivial-filenames)
2365 (while (and (not (eobp))
2366 (string-match dired-trivial-filenames
2367 (file-name-nondirectory
2368 (or (dired-get-filename nil t) ""))))
2369 (forward-line 1)
2370 (dired-move-to-filename))))
2371
2372(defun dired-goto-next-file ()
2373 (let ((max (1- (dired-subdir-max))))
2374 (while (and (not (dired-move-to-filename)) (< (point) max))
2375 (forward-line 1))))
2376
2377(defun dired-goto-file (file)
e19d2d64 2378 "Go to line describing file FILE in this dired buffer."
492d2437 2379 ;; Return value of point on success, else nil.
470fa6d1 2380 ;; FILE must be an absolute file name.
492d2437
RS
2381 ;; Loses if FILE contains control chars like "\007" for which ls
2382 ;; either inserts "?" or "\\007" into the buffer, so we won't find
2383 ;; it in the buffer.
2384 (interactive
2385 (prog1 ; let push-mark display its message
2386 (list (expand-file-name
2387 (read-file-name "Goto file: "
2388 (dired-current-directory))))
2389 (push-mark)))
2390 (setq file (directory-file-name file)) ; does no harm if no directory
2391 (let (found case-fold-search dir)
2392 (setq dir (or (file-name-directory file)
f808da9e 2393 (error "File name `%s' is not absolute" file)))
492d2437
RS
2394 (save-excursion
2395 ;; The hair here is to get the result of dired-goto-subdir
2396 ;; without really calling it if we don't have any subdirs.
233993a3 2397 (if (if (string= dir (expand-file-name default-directory))
492d2437 2398 (goto-char (point-min))
7b2469ae 2399 (and (cdr dired-subdir-alist)
492d2437
RS
2400 (dired-goto-subdir dir)))
2401 (let ((base (file-name-nondirectory file))
f808da9e 2402 search-string
492d2437 2403 (boundary (dired-subdir-max)))
f808da9e
RS
2404 (setq search-string
2405 (replace-regexp-in-string "\^m" "\\^m" base nil t))
2406 (setq search-string
2407 (replace-regexp-in-string "\\\\" "\\\\" search-string nil t))
492d2437
RS
2408 (while (and (not found)
2409 ;; filenames are preceded by SPC, this makes
2410 ;; the search faster (e.g. for the filename "-"!).
f808da9e
RS
2411 (search-forward (concat " " search-string)
2412 boundary 'move))
492d2437
RS
2413 ;; Match could have BASE just as initial substring or
2414 ;; or in permission bits or date or
2415 ;; not be a proper filename at all:
2416 (if (equal base (dired-get-filename 'no-dir t))
2417 ;; Must move to filename since an (actually
2418 ;; correct) match could have been elsewhere on the
2419 ;; ;; line (e.g. "-" would match somewhere in the
2420 ;; permission bits).
55e86af6
RS
2421 (setq found (dired-move-to-filename))
2422 ;; If this isn't the right line, move forward to avoid
2423 ;; trying this line again.
2424 (forward-line 1))))))
492d2437
RS
2425 (and found
2426 ;; return value of point (i.e., FOUND):
2427 (goto-char found))))
2428
2429(defun dired-initial-position (dirname)
2430 ;; Where point should go in a new listing of DIRNAME.
2431 ;; Point assumed at beginning of new subdir line.
2432 ;; You may redefine this function as you wish, e.g. like in dired-x.el.
2433 (end-of-line)
2434 (if dired-trivial-filenames (dired-goto-next-nontrivial-file)))
83fadedf 2435\f
492d2437
RS
2436;; These are hooks which make tree dired work.
2437;; They are in this file because other parts of dired need to call them.
2438;; But they don't call the rest of tree dired unless there are subdirs loaded.
2439
2440;; This function is called for each retrieved filename.
2441;; It could stand to be faster, though it's mostly function call
2442;; overhead. Avoiding the function call seems to save about 10% in
2443;; dired-get-filename. Make it a defsubst?
2444(defun dired-current-directory (&optional localp)
2445 "Return the name of the subdirectory to which this line belongs.
2446This returns a string with trailing slash, like `default-directory'.
2447Optional argument means return a file name relative to `default-directory'."
2448 (let ((here (point))
2449 (alist (or dired-subdir-alist
2450 ;; probably because called in a non-dired buffer
2451 (error "No subdir-alist in %s" (current-buffer))))
2452 elt dir)
2453 (while alist
2454 (setq elt (car alist)
2455 dir (car elt)
2456 ;; use `<=' (not `<') as subdir line is part of subdir
2457 alist (if (<= (dired-get-subdir-min elt) here)
2458 nil ; found
2459 (cdr alist))))
2460 (if localp
2461 (dired-make-relative dir default-directory)
2462 dir)))
2463
2464;; Subdirs start at the beginning of their header lines and end just
2465;; before the beginning of the next header line (or end of buffer).
2466
2467(defun dired-subdir-max ()
2468 (save-excursion
7b2469ae 2469 (if (or (null (cdr dired-subdir-alist)) (not (dired-next-subdir 1 t t)))
492d2437
RS
2470 (point-max)
2471 (point))))
83fadedf 2472\f
492d2437
RS
2473;; Deleting files
2474
40aa8257 2475(defcustom dired-recursive-deletes 'top
f0628026 2476 "*Decide whether recursive deletes are allowed.
098bab71 2477A value of nil means no recursive deletes.
f0628026
RS
2478`always' means delete recursively without asking. This is DANGEROUS!
2479`top' means ask for each directory at top level, but delete its subdirectories
2480without asking.
2481Anything else means ask for each directory."
53ade5c7
RS
2482 :type '(choice :tag "Delete non-empty directories"
2483 (const :tag "Yes" always)
2484 (const :tag "No--only delete empty directories" nil)
2485 (const :tag "Confirm for each directory" t)
2486 (const :tag "Confirm for each top directory only" top))
f0628026
RS
2487 :group 'dired)
2488
c60ee5e7 2489;; Match anything but `.' and `..'.
f0628026
RS
2490(defvar dired-re-no-dot "^\\([^.]\\|\\.\\([^.]\\|\\..\\)\\).*")
2491
2492;; Delete file, possibly delete a directory and all its files.
2493;; This function is usefull outside of dired. One could change it's name
2494;; to e.g. recursive-delete-file and put it somewhere else.
2495(defun dired-delete-file (file &optional recursive) "\
2496Delete FILE or directory (possibly recursively if optional RECURSIVE is true.)
2497RECURSIVE determines what to do with a non-empty directory. If RECURSIVE is:
ee680b2b 2498nil, do not delete.
f0628026
RS
2499`always', delete recursively without asking.
2500`top', ask for each directory at top level.
2501Anything else, ask for each sub-directory."
2502 (let (files)
2503 ;; This test is equivalent to
2504 ;; (and (file-directory-p fn) (not (file-symlink-p fn)))
2505 ;; but more efficient
2506 (if (not (eq t (car (file-attributes file))))
2507 (delete-file file)
2508 (when (and recursive
2509 (setq files
2510 (directory-files file t dired-re-no-dot)) ; Not empty.
2511 (or (eq recursive 'always)
ce5a3ac0 2512 (yes-or-no-p (format "Recursive delete of %s? "
f0628026
RS
2513 (dired-make-relative file)))))
2514 (if (eq recursive 'top) (setq recursive 'always)) ; Don't ask again.
2515 (while files ; Recursively delete (possibly asking).
2516 (dired-delete-file (car files) recursive)
2517 (setq files (cdr files))))
2518 (delete-directory file))))
2519
7da0e9b4 2520(defun dired-do-flagged-delete (&optional nomessage)
68d2f12f 2521 "In Dired, delete the files flagged for deletion.
7da0e9b4 2522If NOMESSAGE is non-nil, we don't display any message
bce1acc3 2523if there are no flagged files.
40aa8257
JL
2524`dired-recursive-deletes' controls whether deletion of
2525non-empty directories is allowed."
492d2437
RS
2526 (interactive)
2527 (let* ((dired-marker-char dired-del-marker)
2528 (regexp (dired-marker-regexp))
2529 case-fold-search)
2530 (if (save-excursion (goto-char (point-min))
2531 (re-search-forward regexp nil t))
2532 (dired-internal-do-deletions
2533 ;; this can't move point since ARG is nil
2534 (dired-map-over-marks (cons (dired-get-filename) (point))
2535 nil)
2536 nil)
7da0e9b4
RS
2537 (or nomessage
2538 (message "(No deletions requested)")))))
492d2437
RS
2539
2540(defun dired-do-delete (&optional arg)
bce1acc3 2541 "Delete all marked (or next ARG) files.
40aa8257
JL
2542`dired-recursive-deletes' controls whether deletion of
2543non-empty directories is allowed."
492d2437
RS
2544 ;; This is more consistent with the file marking feature than
2545 ;; dired-do-flagged-delete.
2546 (interactive "P")
2547 (dired-internal-do-deletions
2548 ;; this may move point if ARG is an integer
2549 (dired-map-over-marks (cons (dired-get-filename) (point))
2550 arg)
2551 arg))
2552
2553(defvar dired-deletion-confirmer 'yes-or-no-p) ; or y-or-n-p?
2554
2555(defun dired-internal-do-deletions (l arg)
2556 ;; L is an alist of files to delete, with their buffer positions.
2557 ;; ARG is the prefix arg.
7c2fb837 2558 ;; Filenames are absolute.
492d2437
RS
2559 ;; (car L) *must* be the *last* (bottommost) file in the dired buffer.
2560 ;; That way as changes are made in the buffer they do not shift the
2561 ;; lines still to be changed, so the (point) values in L stay valid.
2562 ;; Also, for subdirs in natural order, a subdir's files are deleted
2563 ;; before the subdir itself - the other way around would not work.
2564 (let ((files (mapcar (function car) l))
2565 (count (length l))
2566 (succ 0))
2567 ;; canonicalize file list for pop up
2568 (setq files (nreverse (mapcar (function dired-make-relative) files)))
2569 (if (dired-mark-pop-up
2570 " *Deletions*" 'delete files dired-deletion-confirmer
2571 (format "Delete %s " (dired-mark-prompt arg files)))
84fc2cfa 2572 (save-excursion
492d2437
RS
2573 (let (failures);; files better be in reverse order for this loop!
2574 (while l
2575 (goto-char (cdr (car l)))
f836b98e 2576 (let ((inhibit-read-only t))
492d2437
RS
2577 (condition-case err
2578 (let ((fn (car (car l))))
f0628026 2579 (dired-delete-file fn dired-recursive-deletes)
492d2437
RS
2580 ;; if we get here, removing worked
2581 (setq succ (1+ succ))
2582 (message "%s of %s deletions" succ count)
bf989169
RS
2583 (dired-fun-in-all-buffers
2584 (file-name-directory fn) (file-name-nondirectory fn)
2585 (function dired-delete-entry) fn))
492d2437
RS
2586 (error;; catch errors from failed deletions
2587 (dired-log "%s\n" err)
2588 (setq failures (cons (car (car l)) failures)))))
2589 (setq l (cdr l)))
2590 (if (not failures)
2591 (message "%d deletion%s done" count (dired-plural-s count))
2592 (dired-log-summary
2593 (format "%d of %d deletion%s failed"
2594 (length failures) count
2595 (dired-plural-s count))
2596 failures))))
2597 (message "(No deletions performed)")))
2598 (dired-move-to-filename))
2599
bf989169
RS
2600(defun dired-fun-in-all-buffers (directory file fun &rest args)
2601 ;; In all buffers dired'ing DIRECTORY, run FUN with ARGS.
2602 ;; If the buffer has a wildcard pattern, check that it matches FILE.
2603 ;; (FILE does not include a directory component.)
2604 ;; FILE may be nil, in which case ignore it.
2605 ;; Return list of buffers where FUN succeeded (i.e., returned non-nil).
2606 (let (success-list)
2607 (dolist (buf (dired-buffers-for-dir (expand-file-name directory)
2608 file))
2609 (with-current-buffer buf
2610 (if (apply fun args)
2611 (setq success-list (cons (buffer-name buf) success-list)))))
2612 success-list))
2613
c60ee5e7 2614;; Delete the entry for FILE from
bf989169
RS
2615(defun dired-delete-entry (file)
2616 (save-excursion
2617 (and (dired-goto-file file)
f836b98e 2618 (let ((inhibit-read-only t))
bf989169
RS
2619 (delete-region (progn (beginning-of-line) (point))
2620 (save-excursion (forward-line 1) (point))))))
2621 (dired-clean-up-after-deletion file))
2622
492d2437
RS
2623;; This is a separate function for the sake of dired-x.el.
2624(defun dired-clean-up-after-deletion (fn)
2625 ;; Clean up after a deleted file or directory FN.
7b2469ae
RS
2626 (save-excursion (and (cdr dired-subdir-alist)
2627 (dired-goto-subdir fn)
492d2437 2628 (dired-kill-subdir))))
83fadedf 2629\f
492d2437
RS
2630;; Confirmation
2631
2632(defun dired-marker-regexp ()
2633 (concat "^" (regexp-quote (char-to-string dired-marker-char))))
2634
2635(defun dired-plural-s (count)
2636 (if (= 1 count) "" "s"))
2637
2638(defun dired-mark-prompt (arg files)
bb5527ce
SM
2639 "Return a string for use in a prompt, either the current file
2640name, or the marker and a count of marked files."
2641 ;; distinguish-one-marked can cause the first element to be just t.
2642 (if (eq (car files) t) (setq files (cdr files)))
492d2437
RS
2643 (let ((count (length files)))
2644 (if (= count 1)
2645 (car files)
2646 ;; more than 1 file:
2647 (if (integerp arg)
2648 ;; abs(arg) = count
2649 ;; Perhaps this is nicer, but it also takes more screen space:
2650 ;;(format "[%s %d files]" (if (> arg 0) "next" "previous")
2651 ;; count)
2652 (format "[next %d files]" arg)
2653 (format "%c [%d files]" dired-marker-char count)))))
2654
2655(defun dired-pop-to-buffer (buf)
2656 ;; Pop up buffer BUF.
2657 ;; If dired-shrink-to-fit is t, make its window fit its contents.
2658 (if (not dired-shrink-to-fit)
2659 (pop-to-buffer (get-buffer-create buf))
2660 ;; let window shrink to fit:
2661 (let ((window (selected-window))
2662 target-lines w2)
54f03575 2663 (cond ;; if split-height-threshold is enabled, use the largest window
492d2437
RS
2664 ((and (> (window-height (setq w2 (get-largest-window)))
2665 split-height-threshold)
70ad3da9 2666 (window-full-width-p w2))
492d2437
RS
2667 (setq window w2))
2668 ;; if the least-recently-used window is big enough, use it
2669 ((and (> (window-height (setq w2 (get-lru-window)))
2670 (* 2 window-min-height))
70ad3da9 2671 (window-full-width-p w2))
492d2437
RS
2672 (setq window w2)))
2673 (save-excursion
2674 (set-buffer buf)
2675 (goto-char (point-max))
2676 (skip-chars-backward "\n\r\t ")
63ea14a5
RS
2677 (setq target-lines (count-lines (point-min) (point)))
2678 ;; Don't forget to count the last line.
2679 (if (not (bolp))
2680 (setq target-lines (1+ target-lines))))
492d2437 2681 (if (<= (window-height window) (* 2 window-min-height))
f98955ea 2682 ;; At this point, every window on the frame is too small to split.
492d2437
RS
2683 (setq w2 (display-buffer buf))
2684 (setq w2 (split-window window
2685 (max window-min-height
2686 (- (window-height window)
2687 (1+ (max window-min-height target-lines)))))))
2688 (set-window-buffer w2 buf)
2689 (if (< (1- (window-height w2)) target-lines)
2690 (progn
2691 (select-window w2)
2692 (enlarge-window (- target-lines (1- (window-height w2))))))
2693 (set-window-start w2 1)
2694 )))
2695
5afea280 2696(defcustom dired-no-confirm nil
ee680b2b 2697 "A list of symbols for commands Dired should not confirm.
0347d069 2698Command symbols are `byte-compile', `chgrp', `chmod', `chown', `compress',
57654b8c 2699`copy', `delete', `hardlink', `load', `move', `print', `shell', `symlink',
5afea280
RS
2700`touch' and `uncompress'."
2701 :group 'dired
75461997
LT
2702 :type '(set (const byte-compile) (const chgrp)
2703 (const chmod) (const chown) (const compress)
2704 (const copy) (const delete) (const hardlink)
2705 (const load) (const move) (const print)
2706 (const shell) (const symlink) (const touch)
2707 (const uncompress)))
492d2437
RS
2708
2709(defun dired-mark-pop-up (bufname op-symbol files function &rest args)
8421685f
RS
2710 "Return FUNCTION's result on ARGS after showing which files are marked.
2711Displays the file names in a buffer named BUFNAME;
2712 nil gives \" *Marked Files*\".
2713This uses function `dired-pop-to-buffer' to do that.
2714
2715FUNCTION should not manipulate files, just read input
2716 (an argument or confirmation).
89101e46
SM
2717The window is not shown if there is just one file or
2718 OP-SYMBOL is a member of the list in `dired-no-confirm'.
09b092ad
RS
2719FILES is the list of marked files. It can also be (t FILENAME)
2720in the case of one marked file, to distinguish that from using
2721just the current file."
492d2437 2722 (or bufname (setq bufname " *Marked Files*"))
0347d069
SM
2723 (if (or (eq dired-no-confirm t)
2724 (memq op-symbol dired-no-confirm)
09b092ad 2725 ;; If FILES defaulted to the current line's file.
492d2437
RS
2726 (= (length files) 1))
2727 (apply function args)
89101e46 2728 (with-current-buffer (get-buffer-create bufname)
492d2437 2729 (erase-buffer)
09b092ad
RS
2730 ;; Handle (t FILE) just like (FILE), here.
2731 ;; That value is used (only in some cases), to mean
2732 ;; just one file that was marked, rather than the current line file.
2733 (dired-format-columns-of-files (if (eq (car files) t) (cdr files) files))
1a0b9ae6
EZ
2734 (remove-text-properties (point-min) (point-max)
2735 '(mouse-face nil help-echo nil)))
492d2437
RS
2736 (save-window-excursion
2737 (dired-pop-to-buffer bufname)
2738 (apply function args))))
2739
2740(defun dired-format-columns-of-files (files)
991ae4e4
SM
2741 (let ((beg (point)))
2742 (completion--insert-strings files)
2743 (put-text-property beg (point) 'mouse-face nil)))
83fadedf 2744\f
492d2437
RS
2745;; Commands to mark or flag file(s) at or near current line.
2746
2747(defun dired-repeat-over-lines (arg function)
2748 ;; This version skips non-file lines.
cfe89c4f 2749 (let ((pos (make-marker)))
492d2437 2750 (beginning-of-line)
cfe89c4f
RS
2751 (while (and (> arg 0) (not (eobp)))
2752 (setq arg (1- arg))
2753 (beginning-of-line)
2754 (while (and (not (eobp)) (dired-between-files)) (forward-line 1))
2755 (save-excursion
2756 (forward-line 1)
2757 (move-marker pos (1+ (point))))
2758 (save-excursion (funcall function))
2759 ;; Advance to the next line--actually, to the line that *was* next.
2760 ;; (If FUNCTION inserted some new lines in between, skip them.)
2761 (goto-char pos))
2762 (while (and (< arg 0) (not (bobp)))
2763 (setq arg (1+ arg))
2764 (forward-line -1)
2765 (while (and (not (bobp)) (dired-between-files)) (forward-line -1))
2766 (beginning-of-line)
2767 (save-excursion (funcall function)))
2768 (move-marker pos nil)
2769 (dired-move-to-filename)))
492d2437
RS
2770
2771(defun dired-between-files ()
8a372755
MB
2772 ;; This used to be a regexp match of the `total ...' line output by
2773 ;; ls, which is slightly faster, but that is not very robust; notably,
2774 ;; it fails for non-english locales.
2775 (save-excursion (not (dired-move-to-filename))))
492d2437
RS
2776
2777(defun dired-next-marked-file (arg &optional wrap opoint)
2778 "Move to the next marked file, wrapping around the end of the buffer."
2779 (interactive "p\np")
2780 (or opoint (setq opoint (point)));; return to where interactively started
2781 (if (if (> arg 0)
2782 (re-search-forward dired-re-mark nil t arg)
2783 (beginning-of-line)
2784 (re-search-backward dired-re-mark nil t (- arg)))
2785 (dired-move-to-filename)
2786 (if (null wrap)
2787 (progn
2788 (goto-char opoint)
2789 (error "No next marked file"))
2790 (message "(Wraparound for next marked file)")
2791 (goto-char (if (> arg 0) (point-min) (point-max)))
2792 (dired-next-marked-file arg nil opoint))))
2793
2794(defun dired-prev-marked-file (arg &optional wrap)
2795 "Move to the previous marked file, wrapping around the end of the buffer."
2796 (interactive "p\np")
2797 (dired-next-marked-file (- arg) wrap))
2798
2799(defun dired-file-marker (file)
2800 ;; Return FILE's marker, or nil if unmarked.
2801 (save-excursion
2802 (and (dired-goto-file file)
2803 (progn
2804 (beginning-of-line)
2805 (if (not (equal ?\040 (following-char)))
2806 (following-char))))))
2807
2808(defun dired-mark-files-in-region (start end)
f836b98e 2809 (let ((inhibit-read-only t))
492d2437
RS
2810 (if (> start end)
2811 (error "start > end"))
2812 (goto-char start) ; assumed at beginning of line
2813 (while (< (point) end)
2814 ;; Skip subdir line and following garbage like the `total' line:
2815 (while (and (< (point) end) (dired-between-files))
2816 (forward-line 1))
2817 (if (and (not (looking-at dired-re-dot))
2818 (dired-get-filename nil t))
2819 (progn
2820 (delete-char 1)
2821 (insert dired-marker-char)))
2822 (forward-line 1))))
2823
2824(defun dired-mark (arg)
2825 "Mark the current (or next ARG) files.
2826If on a subdir headerline, mark all its files except `.' and `..'.
2827
2828Use \\[dired-unmark-all-files] to remove all marks
2829and \\[dired-unmark] on a subdir to remove the marks in
2830this subdir."
2831 (interactive "P")
277568f2 2832 (if (dired-get-subdir)
492d2437 2833 (save-excursion (dired-mark-subdir-files))
f836b98e 2834 (let ((inhibit-read-only t))
492d2437 2835 (dired-repeat-over-lines
52041219 2836 (prefix-numeric-value arg)
492d2437
RS
2837 (function (lambda () (delete-char 1) (insert dired-marker-char)))))))
2838
2839(defun dired-unmark (arg)
2840 "Unmark the current (or next ARG) files.
2841If looking at a subdir, unmark all its files except `.' and `..'."
2842 (interactive "P")
2843 (let ((dired-marker-char ?\040))
2844 (dired-mark arg)))
2845
2846(defun dired-flag-file-deletion (arg)
68d2f12f 2847 "In Dired, flag the current line's file for deletion.
492d2437
RS
2848With prefix arg, repeat over several lines.
2849
2850If on a subdir headerline, mark all its files except `.' and `..'."
2851 (interactive "P")
2852 (let ((dired-marker-char dired-del-marker))
2853 (dired-mark arg)))
2854
2855(defun dired-unmark-backward (arg)
68d2f12f 2856 "In Dired, move up lines and remove deletion flag there.
492d2437
RS
2857Optional prefix ARG says how many lines to unflag; default is one line."
2858 (interactive "p")
2859 (dired-unmark (- arg)))
e5f0841e 2860
d588eb90
RS
2861(defun dired-toggle-marks ()
2862 "Toggle marks: marked files become unmarked, and vice versa.
e5f0841e
KH
2863Files marked with other flags (such as `D') are not affected.
2864`.' and `..' are never toggled.
2865As always, hidden subdirs are not affected."
2866 (interactive)
2867 (save-excursion
2868 (goto-char (point-min))
f836b98e 2869 (let ((inhibit-read-only t))
e5f0841e
KH
2870 (while (not (eobp))
2871 (or (dired-between-files)
2872 (looking-at dired-re-dot)
2873 ;; use subst instead of insdel because it does not move
2874 ;; the gap and thus should be faster and because
2875 ;; other characters are left alone automatically
2876 (apply 'subst-char-in-region
2877 (point) (1+ (point))
2878 (if (eq ?\040 (following-char)) ; SPC
2879 (list ?\040 dired-marker-char)
2880 (list dired-marker-char ?\040))))
2881 (forward-line 1)))))
83fadedf 2882\f
492d2437
RS
2883;;; Commands to mark or flag files based on their characteristics or names.
2884
d2cadc4b
RS
2885(defvar dired-regexp-history nil
2886 "History list of regular expressions used in Dired commands.")
2887
2888(defun dired-read-regexp (prompt)
2889 (read-from-minibuffer prompt nil nil nil 'dired-regexp-history))
492d2437
RS
2890
2891(defun dired-mark-files-regexp (regexp &optional marker-char)
2892 "Mark all files matching REGEXP for use in later commands.
2893A prefix argument means to unmark them instead.
2894`.' and `..' are never marked.
2895
2896REGEXP is an Emacs regexp, not a shell wildcard. Thus, use `\\.o$' for
2897object files--just `.o' will mark more than you might think."
2898 (interactive
2899 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
2900 " files (regexp): "))
2901 (if current-prefix-arg ?\040)))
2902 (let ((dired-marker-char (or marker-char dired-marker-char)))
2903 (dired-mark-if
2904 (and (not (looking-at dired-re-dot))
2905 (not (eolp)) ; empty line
2906 (let ((fn (dired-get-filename nil t)))
2907 (and fn (string-match regexp (file-name-nondirectory fn)))))
2908 "matching file")))
2909
e9b8e22d
RS
2910(defun dired-mark-files-containing-regexp (regexp &optional marker-char)
2911 "Mark all files with contents containing REGEXP for use in later commands.
2912A prefix argument means to unmark them instead.
2913`.' and `..' are never marked."
2914 (interactive
2915 (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark")
2916 " files containing (regexp): "))
2917 (if current-prefix-arg ?\040)))
2918 (let ((dired-marker-char (or marker-char dired-marker-char)))
2919 (dired-mark-if
2920 (and (not (looking-at dired-re-dot))
2921 (not (eolp)) ; empty line
2922 (let ((fn (dired-get-filename nil t)))
05a40373
KH
2923 (when (and fn (file-readable-p fn)
2924 (not (file-directory-p fn)))
2925 (let ((prebuf (get-file-buffer fn)))
2926 (message "Checking %s" fn)
2927 ;; For now we do it inside emacs
2928 ;; Grep might be better if there are a lot of files
2929 (if prebuf
2930 (with-current-buffer prebuf
2931 (save-excursion
2932 (goto-char (point-min))
2933 (re-search-forward regexp nil t)))
2934 (with-temp-buffer
2935 (insert-file-contents fn)
2936 (goto-char (point-min))
2937 (re-search-forward regexp nil t))))
0b2bb4d0 2938 )))
e9b8e22d
RS
2939 "matching file")))
2940
492d2437 2941(defun dired-flag-files-regexp (regexp)
68d2f12f 2942 "In Dired, flag all files containing the specified REGEXP for deletion.
492d2437
RS
2943The match is against the non-directory part of the filename. Use `^'
2944 and `$' to anchor matches. Exclude subdirs by hiding them.
2945`.' and `..' are never flagged."
2946 (interactive (list (dired-read-regexp "Flag for deletion (regexp): ")))
2947 (dired-mark-files-regexp regexp dired-del-marker))
2948
2949(defun dired-mark-symlinks (unflag-p)
2950 "Mark all symbolic links.
2951With prefix argument, unflag all those files."
2952 (interactive "P")
2953 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char)))
2954 (dired-mark-if (looking-at dired-re-sym) "symbolic link")))
2955
2956(defun dired-mark-directories (unflag-p)
2957 "Mark all directory file lines except `.' and `..'.
2958With prefix argument, unflag all those files."
2959 (interactive "P")
2960 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char)))
2961 (dired-mark-if (and (looking-at dired-re-dir)
2962 (not (looking-at dired-re-dot)))
2963 "directory file")))
2964
2965(defun dired-mark-executables (unflag-p)
2966 "Mark all executable files.
2967With prefix argument, unflag all those files."
2968 (interactive "P")
2969 (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char)))
2970 (dired-mark-if (looking-at dired-re-exe) "executable file")))
2971
2972;; dired-x.el has a dired-mark-sexp interactive command: mark
2973;; files for which PREDICATE returns non-nil.
2974
2975(defun dired-flag-auto-save-files (&optional unflag-p)
84fc2cfa
ER
2976 "Flag for deletion files whose names suggest they are auto save files.
2977A prefix argument says to unflag those files instead."
2978 (interactive "P")
492d2437
RS
2979 (let ((dired-marker-char (if unflag-p ?\040 dired-del-marker)))
2980 (dired-mark-if
2a838614 2981 ;; It is less than general to check for # here,
a91526b9
RS
2982 ;; but it's the only way this runs fast enough.
2983 (and (save-excursion (end-of-line)
536ae2dd
RS
2984 (or
2985 (eq (preceding-char) ?#)
2986 ;; Handle executables in case of -F option.
2987 ;; We need not worry about the other kinds
2988 ;; of markings that -F makes, since they won't
2989 ;; appear on real auto-save files.
2990 (if (eq (preceding-char) ?*)
2991 (progn
2992 (forward-char -1)
2993 (eq (preceding-char) ?#)))))
a91526b9
RS
2994 (not (looking-at dired-re-dir))
2995 (let ((fn (dired-get-filename t t)))
2996 (if fn (auto-save-file-name-p
2997 (file-name-nondirectory fn)))))
2998 "auto save file")))
492d2437 2999
d7aed37c 3000(defcustom dired-garbage-files-regexp
6736ab5a 3001 ;; `log' here is dubious, since it's typically used for useful log
d7aed37c 3002 ;; files, not just TeX stuff. -- fx
d4aeef3b
KG
3003 (concat (regexp-opt
3004 '(".log" ".toc" ".dvi" ".bak" ".orig" ".rej" ".aux"))
c60ee5e7 3005 "\\'")
d7aed37c
SM
3006 "Regular expression to match \"garbage\" files for `dired-flag-garbage-files'."
3007 :type 'regexp
3008 :group 'dired)
84d3f6e8
RS
3009
3010(defun dired-flag-garbage-files ()
84d3f6e8 3011 "Flag for deletion all files that match `dired-garbage-files-regexp'."
f656ec48 3012 (interactive)
84d3f6e8
RS
3013 (dired-flag-files-regexp dired-garbage-files-regexp))
3014
492d2437
RS
3015(defun dired-flag-backup-files (&optional unflag-p)
3016 "Flag all backup files (names ending with `~') for deletion.
3017With prefix argument, unflag these files."
3018 (interactive "P")
ee680b2b 3019 (let ((dired-marker-char (if unflag-p ?\s dired-del-marker)))
492d2437 3020 (dired-mark-if
f13101e9
KH
3021 ;; Don't call backup-file-name-p unless the last character looks like
3022 ;; it might be the end of a backup file name. This isn't very general,
a91526b9
RS
3023 ;; but it's the only way this runs fast enough.
3024 (and (save-excursion (end-of-line)
f13101e9
KH
3025 ;; Handle executables in case of -F option.
3026 ;; We need not worry about the other kinds
3027 ;; of markings that -F makes, since they won't
3028 ;; appear on real backup files.
3029 (if (eq (preceding-char) ?*)
3030 (forward-char -1))
fdee13ec 3031 (eq (preceding-char) ?~))
a91526b9 3032 (not (looking-at dired-re-dir))
492d2437
RS
3033 (let ((fn (dired-get-filename t t)))
3034 (if fn (backup-file-name-p fn))))
3035 "backup file")))
3036
6482fcac
RS
3037(defun dired-change-marks (&optional old new)
3038 "Change all OLD marks to NEW marks.
3039OLD and NEW are both characters used to mark files."
3040 (interactive
3041 (let* ((cursor-in-echo-area t)
3042 (old (progn (message "Change (old mark): ") (read-char)))
3043 (new (progn (message "Change %c marks to (new mark): " old)
3044 (read-char))))
3045 (list old new)))
e4e02841
RS
3046 (if (or (eq old ?\r) (eq new ?\r))
3047 (ding)
3048 (let ((string (format "\n%c" old))
f836b98e 3049 (inhibit-read-only t))
e4e02841
RS
3050 (save-excursion
3051 (goto-char (point-min))
3052 (while (search-forward string nil t)
ee680b2b 3053 (if (if (= old ?\s)
a15a76f7
RS
3054 (save-match-data
3055 (dired-get-filename 'no-dir t))
3056 t)
3057 (subst-char-in-region (match-beginning 0)
3058 (match-end 0) old new)))))))
6482fcac 3059
534a6edf 3060(defun dired-unmark-all-marks ()
ee680b2b 3061 "Remove all marks from all files in the dired buffer."
b1ecd9c6
RS
3062 (interactive)
3063 (dired-unmark-all-files ?\r))
3064
8b87a301 3065(defun dired-unmark-all-files (mark &optional arg)
b602ba2f 3066 "Remove a specific mark (or any mark) from every file.
c60ee5e7 3067After this command, type the mark character to remove,
b602ba2f 3068or type RET to remove all marks.
3585916f 3069With prefix arg, query for each marked file.
492d2437 3070Type \\[help-command] at that time for help."
b602ba2f
RS
3071 (interactive "cRemove marks (RET means all): \nP")
3072 (save-excursion
3073 (let* ((count 0)
f836b98e 3074 (inhibit-read-only t) case-fold-search query
b602ba2f
RS
3075 (string (format "\n%c" mark))
3076 (help-form "\
8b87a301
RS
3077Type SPC or `y' to unmark one file, DEL or `n' to skip to next,
3078`!' to unmark all remaining files with no more questions."))
b602ba2f
RS
3079 (goto-char (point-min))
3080 (while (if (eq mark ?\r)
3081 (re-search-forward dired-re-mark nil t)
3082 (search-forward string nil t))
3083 (if (or (not arg)
e9407052
RS
3084 (let ((file (dired-get-filename t t)))
3085 (and file
3086 (dired-query 'query "Unmark file `%s'? "
3087 file))))
b602ba2f 3088 (progn (subst-char-in-region (1- (point)) (point)
ee680b2b 3089 (preceding-char) ?\s)
b602ba2f
RS
3090 (setq count (1+ count)))))
3091 (message (if (= count 1) "1 mark removed"
3092 "%d marks removed")
3093 count))))
83fadedf 3094\f
492d2437 3095;; Logging failures operating on files, and showing the results.
84fc2cfa 3096
492d2437 3097(defvar dired-log-buffer "*Dired log*")
84fc2cfa 3098
492d2437
RS
3099(defun dired-why ()
3100 "Pop up a buffer with error log output from Dired.
3101A group of errors from a single command ends with a formfeed.
3102Thus, use \\[backward-page] to find the beginning of a group of errors."
3103 (interactive)
3104 (if (get-buffer dired-log-buffer)
3105 (let ((owindow (selected-window))
3106 (window (display-buffer (get-buffer dired-log-buffer))))
3107 (unwind-protect
6482fcac 3108 (progn
492d2437
RS
3109 (select-window window)
3110 (goto-char (point-max))
0b7bc76f
RS
3111 (forward-line -1)
3112 (backward-page 1)
3113 (recenter 0))
492d2437
RS
3114 (select-window owindow)))))
3115
3116(defun dired-log (log &rest args)
3117 ;; Log a message or the contents of a buffer.
3118 ;; If LOG is a string and there are more args, it is formatted with
3119 ;; those ARGS. Usually the LOG string ends with a \n.
c60ee5e7 3120 ;; End each bunch of errors with (dired-log t):
0b7bc76f
RS
3121 ;; this inserts the current time and buffer at the start of the page,
3122 ;; and \f (formfeed) at the end.
492d2437 3123 (let ((obuf (current-buffer)))
0b7bc76f
RS
3124 (with-current-buffer (get-buffer-create dired-log-buffer)
3125 (goto-char (point-max))
3126 (let ((inhibit-read-only t))
3127 (cond ((stringp log)
3128 (insert (if args
3129 (apply (function format) log args)
3130 log)))
3131 ((bufferp log)
88cb5d3c 3132 (insert-buffer-substring log))
0b7bc76f
RS
3133 ((eq t log)
3134 (backward-page 1)
3135 (unless (bolp)
3136 (insert "\n"))
3137 (insert (current-time-string)
3138 "\tBuffer `" (buffer-name obuf) "'\n")
3139 (goto-char (point-max))
3140 (insert "\f\n")))))))
492d2437
RS
3141
3142(defun dired-log-summary (string failures)
ddcfebf1
RS
3143 "State a summary of a command's failures, in echo area and log buffer.
3144STRING is an overall summary of the failures.
3145FAILURES is a list of file names that we failed to operate on,
3146or nil if file names are not applicable."
0b7bc76f
RS
3147 (if (= (length failures) 1)
3148 (message "%s"
3149 (with-current-buffer dired-log-buffer
3150 (goto-char (point-max))
3151 (backward-page 1)
3152 (if (eolp) (forward-line 1))
3153 (buffer-substring (point) (point-max))))
3154 (message (if failures "%s--type ? for details (%s)"
3155 "%s--type ? for details")
3156 string failures))
492d2437 3157 ;; Log a summary describing a bunch of errors.
0b7bc76f 3158 (dired-log (concat "\n" string "\n"))
492d2437 3159 (dired-log t))
83fadedf 3160\f
492d2437
RS
3161;;; Sorting
3162
3163;; Most ls can only sort by name or by date (with -t), nothing else.
3164;; GNU ls sorts on size with -S, on extension with -X, and unsorted with -U.
3165;; So anything that does not contain these is sort "by name".
3166
3167(defvar dired-ls-sorting-switches "SXU"
87ae59e3 3168 "String of `ls' switches \(single letters\) except \"t\" that influence sorting.
cfc8b264
EZ
3169
3170This indicates to Dired which option switches to watch out for because they
3171will change the sorting order behavior of `ls'.
3172
3173To change the default sorting order \(e.g. add a `-v' option\), see the
3174variable `dired-listing-switches'. To temporarily override the listing
3175format, use `\\[universal-argument] \\[dired]'.")
492d2437
RS
3176
3177(defvar dired-sort-by-date-regexp
3178 (concat "^-[^" dired-ls-sorting-switches
3179 "]*t[^" dired-ls-sorting-switches "]*$")
ee680b2b 3180 "Regexp recognized by Dired to set `by date' mode.")
492d2437
RS
3181
3182(defvar dired-sort-by-name-regexp
3183 (concat "^-[^t" dired-ls-sorting-switches "]+$")
ee680b2b 3184 "Regexp recognized by Dired to set `by name' mode.")
492d2437 3185
23fc67ea
RS
3186(defvar dired-sort-inhibit nil
3187 "Non-nil means the Dired sort command is disabled.
ee680b2b 3188The idea is to set this buffer-locally in special dired buffers.")
23fc67ea 3189
492d2437
RS
3190(defun dired-sort-set-modeline ()
3191 ;; Set modeline display according to dired-actual-switches.
3192 ;; Modeline display of "by name" or "by date" guarantees the user a
3193 ;; match with the corresponding regexps. Non-matching switches are
3194 ;; shown literally.
5641671f
NR
3195 (when (eq major-mode 'dired-mode)
3196 (setq mode-name
3197 (let (case-fold-search)
098bab71 3198 (cond ((string-match
5641671f
NR
3199 dired-sort-by-name-regexp dired-actual-switches)
3200 "Dired by name")
3201 ((string-match
3202 dired-sort-by-date-regexp dired-actual-switches)
3203 "Dired by date")
3204 (t
3205 (concat "Dired " dired-actual-switches)))))
3206 (force-mode-line-update)))
492d2437
RS
3207
3208(defun dired-sort-toggle-or-edit (&optional arg)
3209 "Toggle between sort by date/name and refresh the dired buffer.
3210With a prefix argument you can edit the current listing switches instead."
84fc2cfa 3211 (interactive "P")
23fc67ea 3212 (when dired-sort-inhibit
ee680b2b 3213 (error "Cannot sort this dired buffer"))
492d2437
RS
3214 (if arg
3215 (dired-sort-other
3216 (read-string "ls switches (must contain -l): " dired-actual-switches))
3217 (dired-sort-toggle)))
3218
3219(defun dired-sort-toggle ()
3220 ;; Toggle between sort by date/name. Reverts the buffer.
3221 (setq dired-actual-switches
3222 (let (case-fold-search)
7820b28f
RS
3223 (if (string-match " " dired-actual-switches)
3224 ;; New toggle scheme: add/remove a trailing " -t"
3225 (if (string-match " -t\\'" dired-actual-switches)
2b2059d8 3226 (substring dired-actual-switches 0 (match-beginning 0))
7820b28f
RS
3227 (concat dired-actual-switches " -t"))
3228 ;; old toggle scheme: look for some 't' switch and add/remove it
3229 (concat
3230 "-l"
83fadedf
DL
3231 (dired-replace-in-string (concat "[-lt"
3232 dired-ls-sorting-switches "]")
3233 ""
3234 dired-actual-switches)
7820b28f
RS
3235 (if (string-match (concat "[t" dired-ls-sorting-switches "]")
3236 dired-actual-switches)
3237 ""
3238 "t")))))
492d2437
RS
3239 (dired-sort-set-modeline)
3240 (revert-buffer))
3241
83fadedf 3242;; Some user code loads dired especially for this.
879fa8d0 3243;; Don't do that--use replace-regexp-in-string instead.
83fadedf
DL
3244(defun dired-replace-in-string (regexp newtext string)
3245 ;; Replace REGEXP with NEWTEXT everywhere in STRING and return result.
3246 ;; NEWTEXT is taken literally---no \\DIGIT escapes will be recognized.
3247 (let ((result "") (start 0) mb me)
3248 (while (string-match regexp string start)
3249 (setq mb (match-beginning 0)
3250 me (match-end 0)
3251 result (concat result (substring string start mb) newtext)
3252 start me))
3253 (concat result (substring string start))))
3254
492d2437 3255(defun dired-sort-other (switches &optional no-revert)
ee680b2b 3256 "Specify new `ls' SWITCHES for current dired buffer.
ff3d76aa
SM
3257Values matching `dired-sort-by-date-regexp' or `dired-sort-by-name-regexp'
3258set the minor mode accordingly, others appear literally in the mode line.
3259With optional second arg NO-REVERT, don't refresh the listing afterwards."
e17dba1f 3260 (dired-sort-R-check switches)
492d2437 3261 (setq dired-actual-switches switches)
5641671f 3262 (dired-sort-set-modeline)
492d2437 3263 (or no-revert (revert-buffer)))
e17dba1f 3264
5afea280
RS
3265(defvar dired-subdir-alist-pre-R nil
3266 "Value of `dired-subdir-alist' before -R switch added.")
75461997 3267(make-variable-buffer-local 'dired-subdir-alist-pre-R)
e17dba1f
GM
3268
3269(defun dired-sort-R-check (switches)
3270 "Additional processing of -R in ls option string SWITCHES.
3271Saves `dired-subdir-alist' when R is set and restores saved value
3272minus any directories explicitly deleted when R is cleared.
3273To be called first in body of `dired-sort-other', etc."
3274 (cond
3275 ((and (string-match "R" switches)
3276 (not (string-match "R" dired-actual-switches)))
3277 ;; Adding -R to ls switches -- save `dired-subdir-alist':
3278 (setq dired-subdir-alist-pre-R dired-subdir-alist))
3279 ((and (string-match "R" dired-actual-switches)
3280 (not (string-match "R" switches)))
3281 ;; Deleting -R from ls switches -- revert to pre-R subdirs
3282 ;; that are still present:
3283 (setq dired-subdir-alist
3284 (if dired-subdir-alist-pre-R
3285 (let (subdirs)
3286 (while dired-subdir-alist-pre-R
3287 (if (assoc (caar dired-subdir-alist-pre-R)
3288 dired-subdir-alist)
3289 ;; subdir still present...
3290 (setq subdirs
3291 (cons (car dired-subdir-alist-pre-R)
3292 subdirs)))
3293 (setq dired-subdir-alist-pre-R
3294 (cdr dired-subdir-alist-pre-R)))
3295 (reverse subdirs))
3296 ;; No pre-R subdir alist, so revert to main directory
3297 ;; listing:
3298 (list (car (reverse dired-subdir-alist))))))))
83fadedf 3299\f
133aad74
JD
3300
3301;;;; Drag and drop support
3302
773933d3 3303(defcustom dired-recursive-copies 'top
fe02ba07 3304 "*Decide whether recursive copies are allowed.
098bab71 3305A value of nil means no recursive copies.
fe02ba07
RS
3306`always' means copy recursively without asking.
3307`top' means ask for each directory at top level.
3308Anything else means ask for each directory."
3309 :type '(choice :tag "Copy directories"
3310 (const :tag "No recursive copies" nil)
3311 (const :tag "Ask for each directory" t)
3312 (const :tag "Ask for each top directory only" top)
3313 (const :tag "Copy directories without asking" always))
3314 :group 'dired)
3315
133aad74 3316(defun dired-dnd-popup-notice ()
fcaed7ce 3317 (message-box
3b1b11e9 3318 "Dired recursive copies are currently disabled.\nSee the variable `dired-recursive-copies'."))
133aad74 3319
f2d9c15f 3320(declare-function x-popup-menu "xmenu.c" (position menu))
133aad74
JD
3321
3322(defun dired-dnd-do-ask-action (uri)
3323 ;; No need to get actions and descriptions from the source,
3324 ;; we only have three actions anyway.
5553077c 3325 (let ((action (x-popup-menu
133aad74
JD
3326 t
3327 (list "What action?"
3328 (cons ""
3329 '(("Copy here" . copy)
3330 ("Move here" . move)
3331 ("Link here" . link)
3332 "--"
3333 ("Cancel" . nil)))))))
3334 (if action
3335 (dired-dnd-handle-local-file uri action)
3336 nil)))
3337
5c4fa70f 3338(declare-function dired-relist-entry "dired-aux" (file))
f36d1cdc 3339(declare-function make-symbolic-link "fileio.c")
5c4fa70f 3340
aa360da1
GM
3341;; Only used when (featurep 'dnd).
3342(declare-function dnd-get-local-file-name "dnd" (uri &optional must-exist))
3343(declare-function dnd-get-local-file-uri "dnd" (uri))
3344
133aad74
JD
3345(defun dired-dnd-handle-local-file (uri action)
3346 "Copy, move or link a file to the dired directory.
3347URI is the file to handle, ACTION is one of copy, move, link or ask.
3348Ask means pop up a menu for the user to select one of copy, move or link."
3349 (require 'dired-aux)
361eee8f 3350 (let* ((from (dnd-get-local-file-name uri t))
93ab4de3
CY
3351 (to (when from
3352 (concat (dired-current-directory)
3353 (file-name-nondirectory from)))))
61bfceb6 3354 (when from
93ab4de3 3355 (cond ((eq action 'ask)
61bfceb6 3356 (dired-dnd-do-ask-action uri))
93ab4de3
CY
3357 ;; If copying a directory and dired-recursive-copies is
3358 ;; nil, dired-copy-file fails. Pop up a notice.
3359 ((and (memq action '(copy private))
3360 (file-directory-p from)
3361 (not dired-recursive-copies))
3362 (dired-dnd-popup-notice))
3363 ((memq action '(copy private move link))
3364 (let ((overwrite (and (file-exists-p to)
3365 (y-or-n-p
3366 (format "Overwrite existing file `%s'? " to))))
3367 ;; Binding dired-overwrite-confirmed to nil makes
3368 ;; dired-handle-overwrite a no-op. We instead use
3369 ;; y-or-n-p, which pops a graphical menu.
3370 dired-overwrite-confirmed backup-file)
3371 (when (and overwrite
3372 ;; d-b-o is defined in dired-aux.
3373 (boundp 'dired-backup-overwrite)
3374 dired-backup-overwrite
3375 (setq backup-file
3376 (car (find-backup-file-name to)))
3377 (or (eq dired-backup-overwrite 'always)
3378 (y-or-n-p
3379 (format
3380 "Make backup for existing file `%s'? " to))))
3381 (rename-file to backup-file 0)
3382 (dired-relist-entry backup-file))
3383 (cond ((memq action '(copy private))
3384 (dired-copy-file from to overwrite))
3385 ((eq action 'move)
3386 (dired-rename-file from to overwrite))
3387 ((eq action 'link)
3388 (make-symbolic-link from to overwrite)))
3389 (dired-relist-entry to)
3390 action))))))
133aad74
JD
3391
3392(defun dired-dnd-handle-file (uri action)
3393 "Copy, move or link a file to the dired directory if it is a local file.
3394URI is the file to handle. If the hostname in the URI isn't local, do nothing.
3395ACTION is one of copy, move, link or ask.
3396Ask means pop up a menu for the user to select one of copy, move or link."
361eee8f 3397 (let ((local-file (dnd-get-local-file-uri uri)))
133aad74
JD
3398 (if local-file (dired-dnd-handle-local-file local-file action)
3399 nil)))
31b4c848
LH
3400\f
3401
3402;;;; Desktop support
3403
3404(eval-when-compile (require 'desktop))
3405
3406(defun dired-desktop-buffer-misc-data (desktop-dirname)
3407 "Auxiliary information to be saved in desktop file."
3408 (cons
3409 ;; Value of `dired-directory'.
3410 (if (consp dired-directory)
3411 ;; Directory name followed by list of files.
3412 (cons (desktop-file-name (car dired-directory) desktop-dirname)
3413 (cdr dired-directory))
9d9ee410 3414 ;; Directory name, optionally with shell wildcard.
31b4c848
LH
3415 (desktop-file-name dired-directory desktop-dirname))
3416 ;; Subdirectories in `dired-subdir-alist'.
3417 (cdr
3418 (nreverse
3419 (mapcar
3420 (function (lambda (f) (desktop-file-name (car f) desktop-dirname)))
3421 dired-subdir-alist)))))
133aad74 3422
31b4c848
LH
3423(defun dired-restore-desktop-buffer (desktop-buffer-file-name
3424 desktop-buffer-name
3425 desktop-buffer-misc)
3426 "Restore a dired buffer specified in a desktop file."
3427 ;; First element of `desktop-buffer-misc' is the value of `dired-directory'.
9d9ee410 3428 ;; This value is a directory name, optionally with shell wildcard or
31b4c848
LH
3429 ;; a directory name followed by list of files.
3430 (let* ((dired-dir (car desktop-buffer-misc))
3431 (dir (if (consp dired-dir) (car dired-dir) dired-dir)))
3432 (if (file-directory-p (file-name-directory dir))
3433 (progn
3434 (dired dired-dir)
3435 ;; The following elements of `desktop-buffer-misc' are the keys
3436 ;; from `dired-subdir-alist'.
6ba03ad9 3437 (mapc 'dired-maybe-insert-subdir (cdr desktop-buffer-misc))
31b4c848
LH
3438 (current-buffer))
3439 (message "Desktop: Directory %s no longer exists." dir)
3440 (when desktop-missing-file-warning (sit-for 1))
3441 nil)))
133aad74 3442
9e7357b0
AS
3443(add-to-list 'desktop-buffer-mode-handlers
3444 '(dired-mode . dired-restore-desktop-buffer))
a515788d 3445
133aad74 3446\f
52041219
RS
3447(provide 'dired)
3448
57e15005
BF
3449(run-hooks 'dired-load-hook) ; for your customizations
3450
87ae59e3 3451;; arch-tag: e1af7a8f-691c-41a0-aac1-ddd4d3c87517
52041219 3452;;; dired.el ends here