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c8472948 | 1 | ;;; dired.el --- directory-browsing commands |
52041219 | 2 | |
ab67260b RS |
3 | ;; Copyright (C) 1985, 1986, 1992 Free Software Foundation, Inc. |
4 | ||
52041219 | 5 | ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>. |
8d23c16b | 6 | ;; Version: 6 |
84fc2cfa ER |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
52041219 | 12 | ;; the Free Software Foundation; either version 2, or (at your option) |
84fc2cfa ER |
13 | ;; any later version. |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to | |
22 | ;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
23 | ||
52041219 RS |
24 | ;;; Commentary: |
25 | ||
e41b2db1 ER |
26 | ;; This is a major mode for directory browsing and editing. It is |
27 | ;; documented in the Emacs manual. | |
28 | ||
492d2437 RS |
29 | ;; Rewritten in 1990/1991 to add tree features, file marking and |
30 | ;; sorting by Sebastian Kremer <sk@thp.uni-koeln.de>. | |
31 | ;; Finished up by rms in 1992. | |
32 | ||
52041219 | 33 | ;;; Code: |
492d2437 | 34 | |
492d2437 RS |
35 | ;;; Customizable variables |
36 | ||
84fc2cfa | 37 | ;;;###autoload |
492d2437 RS |
38 | (defvar dired-listing-switches "-al" |
39 | "*Switches passed to `ls' for dired. MUST contain the `l' option. | |
40 | May contain all other options that don't contradict `-l'; | |
41 | may contain even `F', `b', `i' and `s'.") | |
84fc2cfa | 42 | |
492d2437 RS |
43 | ; Don't use absolute paths as /bin should be in any PATH and people |
44 | ; may prefer /usr/local/gnu/bin or whatever. However, chown is | |
45 | ; usually not in PATH. | |
46 | ||
47 | ;;;###autoload | |
84fc2cfa | 48 | (defvar dired-chown-program |
194ff7c1 RS |
49 | (if (memq system-type '(hpux dgux usg-unix-v silicon-graphics-unix)) |
50 | "chown" "/etc/chown") | |
492d2437 RS |
51 | "Name of chown command (usully `chown' or `/etc/chown').") |
52 | ||
492d2437 RS |
53 | ;;;###autoload |
54 | (defvar dired-ls-F-marks-symlinks nil | |
55 | "*Informs dired about how `ls -lF' marks symbolic links. | |
c3554e95 | 56 | Set this to t if `insert-directory-program' with `-lF' marks the symbolic link |
492d2437 | 57 | itself with a trailing @ (usually the case under Ultrix). |
84fc2cfa | 58 | |
492d2437 RS |
59 | Example: if `ln -s foo bar; ls -F bar' gives `bar -> foo', set it to |
60 | nil (the default), if it gives `bar@ -> foo', set it to t. | |
61 | ||
62 | Dired checks if there is really a @ appended. Thus, if you have a | |
63 | marking `ls' program on one host and a non-marking on another host, and | |
64 | don't care about symbolic links which really end in a @, you can | |
65 | always set this variable to t.") | |
66 | ||
67 | ;;;###autoload | |
68 | (defvar dired-trivial-filenames "^\\.\\.?$\\|^#" | |
69 | "*Regexp of files to skip when finding first file of a directory. | |
70 | A value of nil means move to the subdir line. | |
71 | A value of t means move to first file.") | |
72 | ||
73 | ;;;###autoload | |
74 | (defvar dired-keep-marker-rename t | |
75 | ;; Use t as default so that moved files "take their markers with them". | |
76 | "*Controls marking of renamed files. | |
77 | If t, files keep their previous marks when they are renamed. | |
78 | If a character, renamed files (whether previously marked or not) | |
79 | are afterward marked with that character.") | |
80 | ||
81 | ;;;###autoload | |
82 | (defvar dired-keep-marker-copy ?C | |
83 | "*Controls marking of copied files. | |
84 | If t, copied files are marked if and as the corresponding original files were. | |
85 | If a character, copied files are unconditionally marked with that character.") | |
86 | ||
87 | ;;;###autoload | |
88 | (defvar dired-keep-marker-hardlink ?H | |
89 | "*Controls marking of newly made hard links. | |
90 | If t, they are marked if and as the files linked to were marked. | |
91 | If a character, new links are unconditionally marked with that character.") | |
92 | ||
93 | ;;;###autoload | |
94 | (defvar dired-keep-marker-symlink ?Y | |
95 | "*Controls marking of newly made symbolic links. | |
96 | If t, they are marked if and as the files linked to were marked. | |
97 | If a character, new links are unconditionally marked with that character.") | |
98 | ||
99 | ;;;###autoload | |
100 | (defvar dired-dwim-target nil | |
101 | "*If non-nil, dired tries to guess a default target directory. | |
102 | This means: if there is a dired buffer displayed in the next window, | |
103 | use its current subdir, instead of the current subdir of this dired buffer. | |
104 | ||
105 | The target is used in the prompt for file copy, rename etc.") | |
106 | ||
107 | ;;;###autoload | |
108 | (defvar dired-copy-preserve-time t | |
109 | "*If non-nil, Dired preserves the last-modified time in a file copy. | |
110 | \(This works on only some systems.)") | |
111 | ||
112 | ;;; Hook variables | |
113 | ||
114 | (defvar dired-load-hook nil | |
115 | "Run after loading dired. | |
116 | You can customize key bindings or load extensions with this.") | |
117 | ||
118 | (defvar dired-mode-hook nil | |
119 | "Run at the very end of dired-mode.") | |
120 | ||
121 | (defvar dired-before-readin-hook nil | |
122 | "This hook is run before a dired buffer is read in (created or reverted).") | |
123 | ||
124 | (defvar dired-after-readin-hook nil | |
125 | "Hook run after each time a file or directory is read by Dired. | |
126 | After each listing of a file or directory, this hook is run | |
127 | with the buffer narrowed to the listing.") | |
128 | ;; Note this can't simply be run inside function `dired-ls' as the hook | |
129 | ;; functions probably depend on the dired-subdir-alist to be OK. | |
130 | ||
131 | ;;; Internal variables | |
132 | ||
133 | (defvar dired-marker-char ?* ; the answer is 42 | |
134 | ;; so that you can write things like | |
135 | ;; (let ((dired-marker-char ?X)) | |
136 | ;; ;; great code using X markers ... | |
137 | ;; ) | |
138 | ;; For example, commands operating on two sets of files, A and B. | |
139 | ;; Or marking files with digits 0-9. This could implicate | |
140 | ;; concentric sets or an order for the marked files. | |
141 | ;; The code depends on dynamic scoping on the marker char. | |
142 | "In Dired, the current mark character. | |
143 | This is what the `do' commands look for and what the `mark' commands store.") | |
144 | ||
145 | (defvar dired-del-marker ?D | |
146 | "Character used to flag files for deletion.") | |
147 | ||
148 | (defvar dired-shrink-to-fit | |
ab67260b RS |
149 | t |
150 | ;; I see no reason ever to make this nil -- rms. | |
151 | ;; (> baud-rate search-slow-speed) | |
492d2437 RS |
152 | "Non-nil means Dired shrinks the display buffer to fit the marked files.") |
153 | ||
154 | (defvar dired-flagging-regexp nil);; Last regexp used to flag files. | |
155 | ||
ab67260b RS |
156 | (defvar dired-file-version-alist) |
157 | ||
492d2437 RS |
158 | (defvar dired-directory nil |
159 | "The directory name or shell wildcard that was used as argument to `ls'. | |
8d23c16b ER |
160 | Local to each dired buffer. May be a list, in which case the car is the |
161 | directory name and the cdr is the actual files to list.") | |
492d2437 RS |
162 | |
163 | (defvar dired-actual-switches nil | |
164 | "The value of `dired-listing-switches' used to make this buffer's text.") | |
165 | ||
166 | (defvar dired-re-inode-size "[0-9 \t]*" | |
167 | "Regexp for optional initial inode and file size as made by `ls -i -s'.") | |
168 | ||
169 | ;; These regexps must be tested at beginning-of-line, but are also | |
170 | ;; used to search for next matches, so neither omitting "^" nor | |
171 | ;; replacing "^" by "\n" (to make it slightly faster) will work. | |
172 | ||
173 | (defvar dired-re-mark "^[^ \n]") | |
174 | ;; "Regexp matching a marked line. | |
175 | ;; Important: the match ends just after the marker." | |
176 | (defvar dired-re-maybe-mark "^. ") | |
177 | (defvar dired-re-dir (concat dired-re-maybe-mark dired-re-inode-size "d")) | |
178 | (defvar dired-re-sym (concat dired-re-maybe-mark dired-re-inode-size "l")) | |
179 | (defvar dired-re-exe;; match ls permission string of an executable file | |
180 | (mapconcat (function | |
181 | (lambda (x) | |
182 | (concat dired-re-maybe-mark dired-re-inode-size x))) | |
183 | '("-[-r][-w][xs][-r][-w].[-r][-w]." | |
184 | "-[-r][-w].[-r][-w][xs][-r][-w]." | |
185 | "-[-r][-w].[-r][-w].[-r][-w][xst]") | |
186 | "\\|")) | |
187 | (defvar dired-re-dot "^.* \\.\\.?$") | |
188 | ||
189 | (defvar dired-subdir-alist nil | |
190 | "Association list of subdirectories and their buffer positions. | |
191 | Each subdirectory has an element: (DIRNAME . STARTMARKER). | |
7b2469ae RS |
192 | The order of elements is the reverse of the order in the buffer. |
193 | In simple cases, this list contains one element.") | |
492d2437 RS |
194 | |
195 | (defvar dired-subdir-regexp "^. \\([^ \n\r]+\\)\\(:\\)[\n\r]" | |
196 | "Regexp matching a maybe hidden subdirectory line in `ls -lR' output. | |
197 | Subexpression 1 is the subdirectory proper, no trailing colon. | |
198 | The match starts at the beginning of the line and ends after the end | |
199 | of the line (\\n or \\r). | |
200 | Subexpression 2 must end right before the \\n or \\r.") | |
201 | ||
202 | \f | |
203 | ;;; Macros must be defined before they are used, for the byte compiler. | |
204 | ||
205 | ;; Mark all files for which CONDITION evals to non-nil. | |
206 | ;; CONDITION is evaluated on each line, with point at beginning of line. | |
207 | ;; MSG is a noun phrase for the type of files being marked. | |
208 | ;; It should end with a noun that can be pluralized by adding `s'. | |
209 | ;; Return value is the number of files marked, or nil if none were marked. | |
210 | (defmacro dired-mark-if (predicate msg) | |
211 | (` (let (buffer-read-only count) | |
212 | (save-excursion | |
213 | (setq count 0) | |
214 | (if (, msg) (message "Marking %ss..." (, msg))) | |
215 | (goto-char (point-min)) | |
216 | (while (not (eobp)) | |
217 | (if (, predicate) | |
218 | (progn | |
219 | (delete-char 1) | |
220 | (insert dired-marker-char) | |
221 | (setq count (1+ count)))) | |
222 | (forward-line 1)) | |
223 | (if (, msg) (message "%s %s%s %s%s." | |
224 | count | |
225 | (, msg) | |
226 | (dired-plural-s count) | |
227 | (if (eq dired-marker-char ?\040) "un" "") | |
228 | (if (eq dired-marker-char dired-del-marker) | |
229 | "flagged" "marked")))) | |
230 | (and (> count 0) count)))) | |
231 | ||
232 | (defmacro dired-map-over-marks (body arg &optional show-progress) | |
233 | ;; "Macro: Perform BODY with point somewhere on each marked line | |
234 | ;;and return a list of BODY's results. | |
235 | ;;If no marked file could be found, execute BODY on the current line. | |
236 | ;; If ARG is an integer, use the next ARG (or previous -ARG, if ARG<0) | |
237 | ;; files instead of the marked files. | |
238 | ;; In that case point is dragged along. This is so that commands on | |
239 | ;; the next ARG (instead of the marked) files can be chained easily. | |
240 | ;; If ARG is otherwise non-nil, use current file instead. | |
241 | ;;If optional third arg SHOW-PROGRESS evaluates to non-nil, | |
242 | ;; redisplay the dired buffer after each file is processed. | |
243 | ;;No guarantee is made about the position on the marked line. | |
244 | ;; BODY must ensure this itself if it depends on this. | |
245 | ;;Search starts at the beginning of the buffer, thus the car of the list | |
246 | ;; corresponds to the line nearest to the buffer's bottom. This | |
247 | ;; is also true for (positive and negative) integer values of ARG. | |
248 | ;;BODY should not be too long as it is expanded four times." | |
249 | ;; | |
250 | ;;Warning: BODY must not add new lines before point - this may cause an | |
251 | ;;endless loop. | |
252 | ;;This warning should not apply any longer, sk 2-Sep-1991 14:10. | |
253 | (` (prog1 | |
254 | (let (buffer-read-only case-fold-search found results) | |
255 | (if (, arg) | |
256 | (if (integerp (, arg)) | |
257 | (progn;; no save-excursion, want to move point. | |
258 | (dired-repeat-over-lines | |
259 | (, arg) | |
260 | (function (lambda () | |
261 | (if (, show-progress) (sit-for 0)) | |
262 | (setq results (cons (, body) results))))) | |
263 | (if (< (, arg) 0) | |
264 | (nreverse results) | |
265 | results)) | |
266 | ;; non-nil, non-integer ARG means use current file: | |
267 | (list (, body))) | |
268 | (let ((regexp (dired-marker-regexp)) next-position) | |
269 | (save-excursion | |
270 | (goto-char (point-min)) | |
271 | ;; remember position of next marked file before BODY | |
272 | ;; can insert lines before the just found file, | |
273 | ;; confusing us by finding the same marked file again | |
274 | ;; and again and... | |
275 | (setq next-position (and (re-search-forward regexp nil t) | |
276 | (point-marker)) | |
277 | found (not (null next-position))) | |
278 | (while next-position | |
279 | (goto-char next-position) | |
280 | (if (, show-progress) (sit-for 0)) | |
281 | (setq results (cons (, body) results)) | |
282 | ;; move after last match | |
283 | (goto-char next-position) | |
284 | (forward-line 1) | |
285 | (set-marker next-position nil) | |
286 | (setq next-position (and (re-search-forward regexp nil t) | |
287 | (point-marker))))) | |
288 | (if found | |
289 | results | |
290 | (list (, body)))))) | |
291 | ;; save-excursion loses, again | |
292 | (dired-move-to-filename)))) | |
293 | ||
294 | (defun dired-get-marked-files (&optional localp arg) | |
295 | "Return the marked files' names as list of strings. | |
296 | The list is in the same order as the buffer, that is, the car is the | |
297 | first marked file. | |
298 | Values returned are normally absolute pathnames. | |
299 | Optional arg LOCALP as in `dired-get-filename'. | |
300 | Optional second argument ARG forces to use other files. If ARG is an | |
301 | integer, use the next ARG files. If ARG is otherwise non-nil, use | |
302 | current file. Usually ARG comes from the current prefix arg." | |
84fc2cfa | 303 | (save-excursion |
492d2437 | 304 | (nreverse (dired-map-over-marks (dired-get-filename localp) arg)))) |
84fc2cfa | 305 | |
492d2437 RS |
306 | \f |
307 | ;; Function dired-ls is redefinable for VMS, ange-ftp, Prospero or | |
308 | ;; other special applications. | |
492d2437 RS |
309 | \f |
310 | ;; The dired command | |
311 | ||
312 | (defun dired-read-dir-and-switches (str) | |
313 | ;; For use in interactive. | |
314 | (reverse (list | |
315 | (if current-prefix-arg | |
316 | (read-string "Dired listing switches: " | |
317 | dired-listing-switches)) | |
318 | (read-file-name (format "Dired %s(directory): " str) | |
319 | nil default-directory nil)))) | |
84fc2cfa | 320 | |
492d2437 | 321 | ;;;###autoload (define-key ctl-x-map "d" 'dired) |
84fc2cfa | 322 | ;;;###autoload |
492d2437 | 323 | (defun dired (dirname &optional switches) |
84fc2cfa | 324 | "\"Edit\" directory DIRNAME--delete, rename, print, etc. some files in it. |
492d2437 RS |
325 | Optional second argument SWITCHES specifies the `ls' options used. |
326 | \(Interactively, use a prefix argument to be able to specify SWITCHES.) | |
327 | Dired displays a list of files in DIRNAME (which may also have | |
8d23c16b ER |
328 | shell wildcards appended to select certain files). If DIRNAME is a cons, |
329 | its first element is taken as the directory name and the resr as an explicit | |
330 | list of files to make directory entries for. | |
52041219 | 331 | \\<dired-mode-map>\ |
492d2437 | 332 | You can move around in it with the usual commands. |
8d23c16b ER |
333 | You can flag files for deletion with \\[dired-flag-file-deletion] and then |
334 | delete them by typing \\[dired-do-flagged-delete]. | |
492d2437 | 335 | Type \\[describe-mode] after entering dired for more info. |
84fc2cfa | 336 | |
492d2437 RS |
337 | If DIRNAME is already in a dired buffer, that buffer is used without refresh." |
338 | ;; Cannot use (interactive "D") because of wildcards. | |
339 | (interactive (dired-read-dir-and-switches "")) | |
340 | (switch-to-buffer (dired-noselect dirname switches))) | |
341 | ||
342 | ;;;###autoload (define-key ctl-x-4-map "d" 'dired-other-window) | |
84fc2cfa | 343 | ;;;###autoload |
492d2437 | 344 | (defun dired-other-window (dirname &optional switches) |
84fc2cfa | 345 | "\"Edit\" directory DIRNAME. Like `dired' but selects in another window." |
492d2437 RS |
346 | (interactive (dired-read-dir-and-switches "in other window ")) |
347 | (switch-to-buffer-other-window (dired-noselect dirname switches))) | |
84fc2cfa ER |
348 | |
349 | ;;;###autoload | |
8d23c16b | 350 | (defun dired-noselect (dir-or-list &optional switches) |
84fc2cfa | 351 | "Like `dired' but returns the dired buffer as value, does not select it." |
8d23c16b | 352 | (or dir-or-list (setq dir-or-list default-directory)) |
492d2437 RS |
353 | ;; This loses the distinction between "/foo/*/" and "/foo/*" that |
354 | ;; some shells make: | |
8d23c16b ER |
355 | (let (dirname) |
356 | (if (consp dir-or-list) | |
357 | (setq dirname (car dir-or-list)) | |
358 | (setq dirname dir-or-list)) | |
359 | (setq dirname (expand-file-name (directory-file-name dirname))) | |
360 | (if (file-directory-p dirname) | |
361 | (setq dirname (file-name-as-directory dirname))) | |
362 | (if (consp dir-or-list) | |
363 | (setq dir-or-list (cons dirname (cdr dir-or-list))) | |
364 | (setq dir-or-list dirname)) | |
365 | (dired-internal-noselect dir-or-list switches))) | |
492d2437 RS |
366 | |
367 | ;; Separate function from dired-noselect for the sake of dired-vms.el. | |
8d23c16b | 368 | (defun dired-internal-noselect (dir-or-list &optional switches) |
492d2437 RS |
369 | ;; If there is an existing dired buffer for DIRNAME, just leave |
370 | ;; buffer as it is (don't even call dired-revert). | |
371 | ;; This saves time especially for deep trees or with ange-ftp. | |
372 | ;; The user can type `g'easily, and it is more consistent with find-file. | |
373 | ;; But if SWITCHES are given they are probably different from the | |
374 | ;; buffer's old value, so call dired-sort-other, which does | |
375 | ;; revert the buffer. | |
376 | ;; A pity we can't possibly do "Directory has changed - refresh? " | |
377 | ;; like find-file does. | |
8d23c16b ER |
378 | (let* ((dirname (if (consp dir-or-list) (car dir-or-list) dir-or-list)) |
379 | (buffer (dired-find-buffer-nocreate dir-or-list)) | |
492d2437 RS |
380 | ;; note that buffer already is in dired-mode, if found |
381 | (new-buffer-p (not buffer)) | |
382 | (old-buf (current-buffer))) | |
383 | (or buffer | |
384 | (let ((default-major-mode 'fundamental-mode)) | |
385 | ;; We don't want default-major-mode to run hooks and set auto-fill | |
386 | ;; or whatever, now that dired-mode does not | |
387 | ;; kill-all-local-variables any longer. | |
388 | (setq buffer (create-file-buffer (directory-file-name dirname))))) | |
389 | (set-buffer buffer) | |
390 | (if (not new-buffer-p) ; existing buffer ... | |
391 | (if switches ; ... but new switches | |
392 | (dired-sort-other switches)) ; this calls dired-revert | |
393 | ;; Else a new buffer | |
394 | (setq default-directory (if (file-directory-p dirname) | |
395 | dirname | |
396 | (file-name-directory dirname))) | |
397 | (or switches (setq switches dired-listing-switches)) | |
398 | (dired-mode dirname switches) | |
399 | ;; default-directory and dired-actual-switches are set now | |
400 | ;; (buffer-local), so we can call dired-readin: | |
401 | (let ((failed t)) | |
402 | (unwind-protect | |
8d23c16b | 403 | (progn (dired-readin dir-or-list buffer) |
492d2437 RS |
404 | (setq failed nil)) |
405 | ;; dired-readin can fail if parent directories are inaccessible. | |
406 | ;; Don't leave an empty buffer around in that case. | |
407 | (if failed (kill-buffer buffer)))) | |
408 | ;; No need to narrow since the whole buffer contains just | |
409 | ;; dired-readin's output, nothing else. The hook can | |
410 | ;; successfully use dired functions (e.g. dired-get-filename) | |
411 | ;; as the subdir-alist has been built in dired-readin. | |
412 | (run-hooks 'dired-after-readin-hook) | |
413 | (goto-char (point-min)) | |
414 | (dired-initial-position dirname)) | |
415 | (set-buffer old-buf) | |
84fc2cfa ER |
416 | buffer)) |
417 | ||
492d2437 RS |
418 | ;; This differs from dired-buffers-for-dir in that it does not consider |
419 | ;; subdirs of default-directory and searches for the first match only | |
420 | (defun dired-find-buffer-nocreate (dirname) | |
421 | (let (found (blist (buffer-list))) | |
422 | (while blist | |
423 | (save-excursion | |
424 | (set-buffer (car blist)) | |
425 | (if (and (eq major-mode 'dired-mode) | |
426 | (equal dired-directory dirname)) | |
427 | (setq found (car blist) | |
428 | blist nil) | |
429 | (setq blist (cdr blist))))) | |
430 | found)) | |
431 | ||
432 | \f | |
433 | ;; Read in a new dired buffer | |
434 | ||
435 | ;; dired-readin differs from dired-insert-subdir in that it accepts | |
436 | ;; wildcards, erases the buffer, and builds the subdir-alist anew | |
437 | ;; (including making it buffer-local and clearing it first). | |
8d23c16b | 438 | (defun dired-readin (dir-or-list buffer) |
492d2437 RS |
439 | ;; default-directory and dired-actual-switches must be buffer-local |
440 | ;; and initialized by now. | |
441 | ;; Thus we can test (equal default-directory dirname) instead of | |
442 | ;; (file-directory-p dirname) and save a filesystem transaction. | |
443 | ;; Also, we can run this hook which may want to modify the switches | |
444 | ;; based on default-directory, e.g. with ange-ftp to a SysV host | |
445 | ;; where ls won't understand -Al switches. | |
8d23c16b ER |
446 | (let (dirname) |
447 | (if (consp dir-or-list) | |
448 | (setq dirname (car dir-or-list)) | |
449 | (setq dirname dir-or-list)) | |
450 | (setq dirname (expand-file-name dirname)) | |
451 | (if (consp dir-or-list) | |
452 | (setq dir-or-list (cons dirname (cdr dir-or-list)))) | |
453 | (run-hooks 'dired-before-readin-hook) | |
454 | (save-excursion | |
455 | (message "Reading directory %s..." dirname) | |
456 | (set-buffer buffer) | |
457 | (let (buffer-read-only (failed t)) | |
458 | (widen) | |
459 | (erase-buffer) | |
460 | (dired-readin-insert dir-or-list) | |
461 | (indent-rigidly (point-min) (point-max) 2) | |
462 | ;; We need this to make the root dir have a header line as all | |
463 | ;; other subdirs have: | |
464 | (goto-char (point-min)) | |
465 | (dired-insert-headerline default-directory) | |
466 | ;; can't run dired-after-readin-hook here, it may depend on the subdir | |
467 | ;; alist to be OK. | |
468 | ) | |
469 | (message "Reading directory %s...done" dirname) | |
470 | (set-buffer-modified-p nil) | |
471 | ;; Must first make alist buffer local and set it to nil because | |
472 | ;; dired-build-subdir-alist will call dired-clear-alist first | |
473 | (set (make-local-variable 'dired-subdir-alist) nil) | |
474 | (dired-build-subdir-alist)))) | |
492d2437 RS |
475 | |
476 | ;; Subroutines of dired-readin | |
477 | ||
8d23c16b ER |
478 | (defun dired-readin-insert (dir-or-list) |
479 | ;; Just insert listing for the passed-in directory or | |
480 | ;; directory-and-file list, assuming a clean buffer. | |
481 | (let (dirname) | |
482 | (if (consp dir-or-list) | |
483 | (setq dirname (car dir-or-list)) | |
484 | (setq dirname dir-or-list)) | |
485 | (if (equal default-directory dirname) ;; i.e., (file-directory-p dirname) | |
486 | (dired-insert-directory dir-or-list dired-actual-switches nil t) | |
487 | (if (not (file-readable-p | |
488 | (directory-file-name (file-name-directory dirname)))) | |
489 | (error "Directory %s inaccessible or nonexistent" dirname) | |
490 | ;; else assume it contains wildcards: | |
491 | (dired-insert-directory dir-or-list dired-actual-switches t) | |
492 | (save-excursion ;; insert wildcard instead of total line: | |
493 | (goto-char (point-min)) | |
494 | (insert "wildcard " (file-name-nondirectory dirname) "\n")))))) | |
495 | ||
496 | (defun dired-insert-directory (dir-or-list switches &optional wildcard full-p) | |
497 | ;; Do the right thing whether dir-or-list is atomic or not. If it is, | |
498 | ;; inset all files listed in the cdr (the car is the passed-in directory | |
499 | ;; list. | |
500 | (if (consp dir-or-list) | |
501 | (progn | |
502 | (mapcar | |
503 | (function (lambda (x) (insert-directory x switches wildcard full-p))) | |
504 | (cdr dir-or-list))) | |
505 | (insert-directory dir-or-list switches wildcard full-p)) | |
506 | (setq dired-directory dir-or-list)) | |
492d2437 RS |
507 | |
508 | (defun dired-insert-headerline (dir);; also used by dired-insert-subdir | |
509 | ;; Insert DIR's headerline with no trailing slash, exactly like ls | |
510 | ;; would, and put cursor where dired-build-subdir-alist puts subdir | |
511 | ;; boundaries. | |
512 | (save-excursion (insert " " (directory-file-name dir) ":\n"))) | |
513 | ||
514 | \f | |
515 | ;; Reverting a dired buffer | |
516 | ||
84fc2cfa | 517 | (defun dired-revert (&optional arg noconfirm) |
492d2437 RS |
518 | ;; Reread the dired buffer. Must also be called after |
519 | ;; dired-actual-switches have changed. | |
520 | ;; Should not fail even on completely garbaged buffers. | |
521 | ;; Preserves old cursor, marks/flags, hidden-p. | |
522 | (widen) ; just in case user narrowed | |
84fc2cfa | 523 | (let ((opoint (point)) |
492d2437 RS |
524 | (ofile (dired-get-filename nil t)) |
525 | (mark-alist nil) ; save marked files | |
526 | (hidden-subdirs (dired-remember-hidden)) | |
527 | (old-subdir-alist (cdr (reverse dired-subdir-alist))) ; except pwd | |
528 | (case-fold-search nil) ; we check for upper case ls flags | |
529 | buffer-read-only) | |
530 | (goto-char (point-min)) | |
531 | (setq mark-alist;; only after dired-remember-hidden since this unhides: | |
532 | (dired-remember-marks (point-min) (point-max))) | |
533 | ;; treat top level dir extra (it may contain wildcards) | |
8d23c16b ER |
534 | (dired-uncache |
535 | (if (consp dired-directory) (car dired-directory) dired-directory)) | |
84fc2cfa | 536 | (dired-readin dired-directory (current-buffer)) |
492d2437 RS |
537 | (let ((dired-after-readin-hook nil)) |
538 | ;; don't run that hook for each subdir... | |
539 | (dired-insert-old-subdirs old-subdir-alist)) | |
540 | (dired-mark-remembered mark-alist) ; mark files that were marked | |
541 | ;; ... run the hook for the whole buffer, and only after markers | |
542 | ;; have been reinserted (else omitting in dired-x would omit marked files) | |
543 | (run-hooks 'dired-after-readin-hook) ; no need to narrow | |
544 | (or (and ofile (dired-goto-file ofile)) ; move cursor to where it | |
545 | (goto-char opoint)) ; was before | |
84fc2cfa | 546 | (dired-move-to-filename) |
492d2437 RS |
547 | (save-excursion ; hide subdirs that were hidden |
548 | (mapcar (function (lambda (dir) | |
549 | (if (dired-goto-subdir dir) | |
550 | (dired-hide-subdir 1)))) | |
551 | hidden-subdirs))) | |
552 | ;; outside of the let scope | |
553 | ;;; Might as well not override the user if the user changed this. | |
554 | ;;; (setq buffer-read-only t) | |
555 | ) | |
556 | ||
557 | ;; Subroutines of dired-revert | |
558 | ;; Some of these are also used when inserting subdirs. | |
559 | ||
560 | (defun dired-remember-marks (beg end) | |
561 | ;; Return alist of files and their marks, from BEG to END. | |
562 | (if selective-display ; must unhide to make this work. | |
563 | (let (buffer-read-only) | |
564 | (subst-char-in-region beg end ?\r ?\n))) | |
565 | (let (fil chr alist) | |
566 | (save-excursion | |
567 | (goto-char beg) | |
568 | (while (re-search-forward dired-re-mark end t) | |
569 | (if (setq fil (dired-get-filename nil t)) | |
570 | (setq chr (preceding-char) | |
571 | alist (cons (cons fil chr) alist))))) | |
572 | alist)) | |
573 | ||
574 | ;; Mark all files remembered in ALIST. | |
575 | ;; Each element of ALIST looks like (FILE . MARKERCHAR). | |
576 | (defun dired-mark-remembered (alist) | |
577 | (let (elt fil chr) | |
578 | (while alist | |
579 | (setq elt (car alist) | |
580 | alist (cdr alist) | |
581 | fil (car elt) | |
582 | chr (cdr elt)) | |
583 | (if (dired-goto-file fil) | |
584 | (save-excursion | |
585 | (beginning-of-line) | |
586 | (delete-char 1) | |
587 | (insert chr)))))) | |
588 | ||
589 | ;; Return a list of names of subdirs currently hidden. | |
590 | (defun dired-remember-hidden () | |
591 | (let ((l dired-subdir-alist) dir pos result) | |
592 | (while l | |
593 | (setq dir (car (car l)) | |
594 | pos (cdr (car l)) | |
595 | l (cdr l)) | |
596 | (goto-char pos) | |
597 | (skip-chars-forward "^\r\n") | |
52041219 | 598 | (if (eq (following-char) ?\r) |
492d2437 RS |
599 | (setq result (cons dir result)))) |
600 | result)) | |
601 | ||
602 | ;; Try to insert all subdirs that were displayed before, | |
603 | ;; according to the former subdir alist OLD-SUBDIR-ALIST. | |
604 | (defun dired-insert-old-subdirs (old-subdir-alist) | |
605 | (or (string-match "R" dired-actual-switches) | |
606 | (let (elt dir) | |
607 | (while old-subdir-alist | |
608 | (setq elt (car old-subdir-alist) | |
609 | old-subdir-alist (cdr old-subdir-alist) | |
610 | dir (car elt)) | |
611 | (condition-case () | |
715984d3 RS |
612 | (progn |
613 | (dired-uncache dir) | |
614 | (dired-insert-subdir dir)) | |
492d2437 | 615 | (error nil)))))) |
715984d3 RS |
616 | |
617 | ;; Remove directory DIR from any directory cache. | |
618 | (defun dired-uncache (dir) | |
5dbfdacd | 619 | (let ((handler (find-file-name-handler dir))) |
715984d3 RS |
620 | (if handler |
621 | (funcall handler 'dired-uncache dir)))) | |
492d2437 RS |
622 | \f |
623 | ;; dired mode key bindings and initialization | |
84fc2cfa ER |
624 | |
625 | (defvar dired-mode-map nil "Local keymap for dired-mode buffers.") | |
626 | (if dired-mode-map | |
627 | nil | |
492d2437 | 628 | ;; Force `f' rather than `e' in the mode doc: |
62f61df0 | 629 | (defalias 'dired-advertised-find-file 'dired-find-file) |
492d2437 RS |
630 | ;; This looks ugly when substitute-command-keys uses C-d instead d: |
631 | ;; (define-key dired-mode-map "\C-d" 'dired-flag-file-deletion) | |
632 | ||
84fc2cfa ER |
633 | (setq dired-mode-map (make-keymap)) |
634 | (suppress-keymap dired-mode-map) | |
492d2437 | 635 | ;; Commands to mark or flag certain categories of files |
84fc2cfa | 636 | (define-key dired-mode-map "#" 'dired-flag-auto-save-files) |
492d2437 | 637 | (define-key dired-mode-map "*" 'dired-mark-executables) |
84fc2cfa | 638 | (define-key dired-mode-map "." 'dired-clean-directory) |
492d2437 RS |
639 | (define-key dired-mode-map "/" 'dired-mark-directories) |
640 | (define-key dired-mode-map "@" 'dired-mark-symlinks) | |
641 | (define-key dired-mode-map "~" 'dired-flag-backup-files) | |
6482fcac | 642 | ;; Upper case keys (except !) for operating on the marked files |
492d2437 RS |
643 | (define-key dired-mode-map "C" 'dired-do-copy) |
644 | (define-key dired-mode-map "B" 'dired-do-byte-compile) | |
645 | (define-key dired-mode-map "D" 'dired-do-delete) | |
646 | (define-key dired-mode-map "G" 'dired-do-chgrp) | |
647 | (define-key dired-mode-map "H" 'dired-do-hardlink) | |
648 | (define-key dired-mode-map "L" 'dired-do-load) | |
649 | (define-key dired-mode-map "M" 'dired-do-chmod) | |
650 | (define-key dired-mode-map "O" 'dired-do-chown) | |
651 | (define-key dired-mode-map "P" 'dired-do-print) | |
652 | (define-key dired-mode-map "R" 'dired-do-rename) | |
653 | (define-key dired-mode-map "S" 'dired-do-symlink) | |
654 | (define-key dired-mode-map "X" 'dired-do-shell-command) | |
655 | (define-key dired-mode-map "Z" 'dired-do-compress) | |
656 | (define-key dired-mode-map "!" 'dired-do-shell-command) | |
657 | ;; Comparison commands | |
658 | (define-key dired-mode-map "=" 'dired-diff) | |
659 | (define-key dired-mode-map "\M-=" 'dired-backup-diff) | |
660 | ;; Tree Dired commands | |
661 | (define-key dired-mode-map "\M-\C-?" 'dired-unmark-all-files) | |
662 | (define-key dired-mode-map "\M-\C-d" 'dired-tree-down) | |
663 | (define-key dired-mode-map "\M-\C-u" 'dired-tree-up) | |
664 | (define-key dired-mode-map "\M-\C-n" 'dired-next-subdir) | |
665 | (define-key dired-mode-map "\M-\C-p" 'dired-prev-subdir) | |
666 | ;; move to marked files | |
667 | (define-key dired-mode-map "\M-{" 'dired-prev-marked-file) | |
668 | (define-key dired-mode-map "\M-}" 'dired-next-marked-file) | |
492d2437 | 669 | ;; Make all regexp commands share a `%' prefix: |
62f61df0 | 670 | (defalias 'dired-regexp-prefix (make-sparse-keymap)) |
492d2437 RS |
671 | (define-key dired-mode-map "%" 'dired-regexp-prefix) |
672 | (define-key dired-mode-map "%u" 'dired-upcase) | |
673 | (define-key dired-mode-map "%l" 'dired-downcase) | |
674 | (define-key dired-mode-map "%d" 'dired-flag-files-regexp) | |
675 | (define-key dired-mode-map "%m" 'dired-mark-files-regexp) | |
676 | (define-key dired-mode-map "%r" 'dired-do-rename-regexp) | |
677 | (define-key dired-mode-map "%C" 'dired-do-copy-regexp) | |
678 | (define-key dired-mode-map "%H" 'dired-do-hardlink-regexp) | |
679 | (define-key dired-mode-map "%R" 'dired-do-rename-regexp) | |
680 | (define-key dired-mode-map "%S" 'dired-do-symlink-regexp) | |
681 | ;; Lower keys for commands not operating on all the marked files | |
6482fcac | 682 | (define-key dired-mode-map "c" 'dired-change-marks) |
492d2437 RS |
683 | (define-key dired-mode-map "d" 'dired-flag-file-deletion) |
684 | (define-key dired-mode-map "e" 'dired-find-file) | |
685 | (define-key dired-mode-map "f" 'dired-advertised-find-file) | |
686 | (define-key dired-mode-map "g" 'revert-buffer) | |
84fc2cfa | 687 | (define-key dired-mode-map "h" 'describe-mode) |
492d2437 | 688 | (define-key dired-mode-map "i" 'dired-maybe-insert-subdir) |
6482fcac | 689 | (define-key dired-mode-map "k" 'dired-do-kill-lines) |
492d2437 RS |
690 | (define-key dired-mode-map "l" 'dired-do-redisplay) |
691 | (define-key dired-mode-map "m" 'dired-mark) | |
692 | (define-key dired-mode-map "n" 'dired-next-line) | |
693 | (define-key dired-mode-map "o" 'dired-find-file-other-window) | |
ab67260b | 694 | (define-key dired-mode-map "\C-o" 'dired-display-file) |
492d2437 RS |
695 | (define-key dired-mode-map "p" 'dired-previous-line) |
696 | (define-key dired-mode-map "q" 'dired-quit) | |
697 | (define-key dired-mode-map "s" 'dired-sort-toggle-or-edit) | |
698 | (define-key dired-mode-map "u" 'dired-unmark) | |
699 | (define-key dired-mode-map "v" 'dired-view-file) | |
700 | (define-key dired-mode-map "x" 'dired-do-flagged-delete) | |
701 | (define-key dired-mode-map "+" 'dired-create-directory) | |
702 | ;; moving | |
703 | (define-key dired-mode-map "<" 'dired-prev-dirline) | |
704 | (define-key dired-mode-map ">" 'dired-next-dirline) | |
705 | (define-key dired-mode-map "^" 'dired-up-directory) | |
84fc2cfa ER |
706 | (define-key dired-mode-map " " 'dired-next-line) |
707 | (define-key dired-mode-map "\C-n" 'dired-next-line) | |
708 | (define-key dired-mode-map "\C-p" 'dired-previous-line) | |
492d2437 RS |
709 | ;; hiding |
710 | (define-key dired-mode-map "$" 'dired-hide-subdir) | |
711 | (define-key dired-mode-map "\M-$" 'dired-hide-all) | |
712 | ;; misc | |
713 | (define-key dired-mode-map "?" 'dired-summary) | |
714 | (define-key dired-mode-map "\177" 'dired-unmark-backward) | |
715 | (define-key dired-mode-map "\C-_" 'dired-undo) | |
716 | (define-key dired-mode-map "\C-xu" 'dired-undo) | |
717 | ) | |
84fc2cfa | 718 | |
492d2437 RS |
719 | (or (member '(dired-sort-mode dired-sort-mode) minor-mode-alist) |
720 | ;; Test whether this has already been done in case dired is reloaded | |
721 | ;; There may be several elements with dired-sort-mode as car. | |
722 | (setq minor-mode-alist | |
723 | (cons '(dired-sort-mode dired-sort-mode) | |
724 | ;; dired-sort-mode is nil outside dired | |
725 | minor-mode-alist))) | |
726 | \f | |
84fc2cfa ER |
727 | ;; Dired mode is suitable only for specially formatted data. |
728 | (put 'dired-mode 'mode-class 'special) | |
729 | ||
492d2437 RS |
730 | (defun dired-mode (&optional dirname switches) |
731 | "\ | |
732 | Mode for \"editing\" directory listings. | |
733 | In dired, you are \"editing\" a list of the files in a directory and | |
734 | \(optionally) its subdirectories, in the format of `ls -lR'. | |
735 | Each directory is a page: use \\[backward-page] and \\[forward-page] to move pagewise. | |
736 | \"Editing\" means that you can run shell commands on files, visit, | |
737 | compress, load or byte-compile them, change their file attributes | |
738 | and insert subdirectories into the same buffer. You can \"mark\" | |
739 | files for later commands or \"flag\" them for deletion, either file | |
740 | by file or all files matching certain criteria. | |
741 | You can move using the usual cursor motion commands.\\<dired-mode-map> | |
742 | Letters no longer insert themselves. Digits are prefix arguments. | |
743 | Instead, type \\[dired-flag-file-deletion] to flag a file for Deletion. | |
744 | Type \\[dired-mark] to Mark a file or subdirectory for later commands. | |
745 | Most commands operate on the marked files and use the current file | |
746 | if no files are marked. Use a numeric prefix argument to operate on | |
747 | the next ARG (or previous -ARG if ARG<0) files, or just `1' | |
748 | to operate on the current file only. Prefix arguments override marks. | |
749 | Mark-using commands display a list of failures afterwards. Type \\[dired-summary] | |
750 | to see why something went wrong. | |
751 | Type \\[dired-unmark] to Unmark a file or all files of a subdirectory. | |
752 | Type \\[dired-unmark-backward] to back up one line and unflag. | |
753 | Type \\[dired-do-flagged-delete] to eXecute the deletions requested. | |
754 | Type \\[dired-advertised-find-file] to Find the current line's file | |
755 | (or dired it in another buffer, if it is a directory). | |
756 | Type \\[dired-find-file-other-window] to find file or dired directory in Other window. | |
757 | Type \\[dired-maybe-insert-subdir] to Insert a subdirectory in this buffer. | |
758 | Type \\[dired-do-rename] to Rename a file or move the marked files to another directory. | |
759 | Type \\[dired-do-copy] to Copy files. | |
760 | Type \\[dired-sort-toggle-or-edit] to toggle sorting by name/date or change the `ls' switches. | |
761 | Type \\[revert-buffer] to read all currently expanded directories again. | |
762 | This retains all marks and hides subdirs again that were hidden before. | |
763 | SPC and DEL can be used to move down and up by lines. | |
764 | ||
765 | If dired ever gets confused, you can either type \\[revert-buffer] \ | |
766 | to read the | |
767 | directories again, type \\[dired-do-redisplay] \ | |
768 | to relist a single or the marked files or a | |
769 | subdirectory, or type \\[dired-build-subdir-alist] to parse the buffer | |
770 | again for the directory tree. | |
771 | ||
772 | Customization variables (rename this buffer and type \\[describe-variable] on each line | |
773 | for more info): | |
774 | ||
775 | dired-listing-switches | |
776 | dired-trivial-filenames | |
777 | dired-shrink-to-fit | |
778 | dired-marker-char | |
779 | dired-del-marker | |
780 | dired-keep-marker-rename | |
781 | dired-keep-marker-copy | |
782 | dired-keep-marker-hardlink | |
783 | dired-keep-marker-symlink | |
784 | ||
785 | Hooks (use \\[describe-variable] to see their documentation): | |
786 | ||
787 | dired-before-readin-hook | |
788 | dired-after-readin-hook | |
789 | dired-mode-hook | |
790 | dired-load-hook | |
791 | ||
792 | Keybindings: | |
84fc2cfa | 793 | \\{dired-mode-map}" |
492d2437 RS |
794 | ;; Not to be called interactively (e.g. dired-directory will be set |
795 | ;; to default-directory, which is wrong with wildcards). | |
84fc2cfa | 796 | (kill-all-local-variables) |
84fc2cfa | 797 | (use-local-map dired-mode-map) |
492d2437 RS |
798 | (dired-advertise) ; default-directory is already set |
799 | (setq major-mode 'dired-mode | |
800 | mode-name "Dired" | |
801 | case-fold-search nil | |
802 | buffer-read-only t | |
803 | selective-display t ; for subdirectory hiding | |
804 | mode-line-buffer-identification '("Dired: %17b")) | |
805 | (set (make-local-variable 'revert-buffer-function) | |
806 | (function dired-revert)) | |
807 | (set (make-local-variable 'page-delimiter) | |
808 | "\n\n") | |
809 | (set (make-local-variable 'dired-directory) | |
810 | (or dirname default-directory)) | |
811 | ;; list-buffers uses this to display the dir being edited in this buffer. | |
812 | (set (make-local-variable 'list-buffers-directory) | |
813 | dired-directory) | |
814 | (set (make-local-variable 'dired-actual-switches) | |
815 | (or switches dired-listing-switches)) | |
816 | (make-local-variable 'dired-sort-mode) | |
817 | (dired-sort-other dired-actual-switches t) | |
84fc2cfa ER |
818 | (run-hooks 'dired-mode-hook)) |
819 | \f | |
492d2437 | 820 | ;; Ideosyncratic dired commands that don't deal with marks. |
84fc2cfa | 821 | |
492d2437 RS |
822 | (defun dired-quit () |
823 | "Bury the current dired buffer." | |
824 | (interactive) | |
825 | (bury-buffer)) | |
84fc2cfa ER |
826 | |
827 | (defun dired-summary () | |
492d2437 | 828 | "Summarize basic Dired commands and show recent Dired errors." |
84fc2cfa | 829 | (interactive) |
492d2437 | 830 | (dired-why) |
84fc2cfa ER |
831 | ;>> this should check the key-bindings and use substitute-command-keys if non-standard |
832 | (message | |
492d2437 | 833 | "d-elete, u-ndelete, x-punge, f-ind, o-ther window, r-ename, C-opy, h-elp")) |
84fc2cfa | 834 | |
492d2437 RS |
835 | (defun dired-undo () |
836 | "Undo in a dired buffer. | |
837 | This doesn't recover lost files, it just undoes changes in the buffer itself. | |
838 | You can use it to recover marks, killed lines or subdirs. | |
839 | In the latter case, you have to do \\[dired-build-subdir-alist] to | |
840 | parse the buffer again." | |
841 | (interactive) | |
842 | (let (buffer-read-only) | |
843 | (undo))) | |
84fc2cfa ER |
844 | |
845 | (defun dired-next-line (arg) | |
846 | "Move down lines then position at filename. | |
847 | Optional prefix ARG says how many lines to move; default is one line." | |
848 | (interactive "p") | |
849 | (next-line arg) | |
850 | (dired-move-to-filename)) | |
851 | ||
852 | (defun dired-previous-line (arg) | |
853 | "Move up lines then position at filename. | |
854 | Optional prefix ARG says how many lines to move; default is one line." | |
855 | (interactive "p") | |
856 | (previous-line arg) | |
857 | (dired-move-to-filename)) | |
858 | ||
492d2437 RS |
859 | (defun dired-next-dirline (arg &optional opoint) |
860 | "Goto ARG'th next directory file line." | |
861 | (interactive "p") | |
862 | (or opoint (setq opoint (point))) | |
863 | (if (if (> arg 0) | |
864 | (re-search-forward dired-re-dir nil t arg) | |
865 | (beginning-of-line) | |
866 | (re-search-backward dired-re-dir nil t (- arg))) | |
867 | (dired-move-to-filename) ; user may type `i' or `f' | |
868 | (goto-char opoint) | |
869 | (error "No more subdirectories"))) | |
870 | ||
871 | (defun dired-prev-dirline (arg) | |
872 | "Goto ARG'th previous directory file line." | |
873 | (interactive "p") | |
874 | (dired-next-dirline (- arg))) | |
875 | ||
84fc2cfa | 876 | (defun dired-up-directory () |
492d2437 RS |
877 | "Run dired on parent directory of current directory. |
878 | Find the parent directory either in this buffer or another buffer. | |
879 | Creates a buffer if necessary." | |
84fc2cfa | 880 | (interactive) |
492d2437 RS |
881 | (let* ((dir (dired-current-directory)) |
882 | (up (file-name-directory (directory-file-name dir)))) | |
883 | (or (dired-goto-file (directory-file-name dir)) | |
7b2469ae RS |
884 | ;; Only try dired-goto-subdir if buffer has more than one dir. |
885 | (and (cdr dired-subdir-alist) | |
492d2437 RS |
886 | (dired-goto-subdir up)) |
887 | (progn | |
8d23c16b ER |
888 | (dired |
889 | up) | |
492d2437 | 890 | (dired-goto-file dir))))) |
84fc2cfa ER |
891 | |
892 | (defun dired-find-file () | |
893 | "In dired, visit the file or directory named on this line." | |
894 | (interactive) | |
c3554e95 | 895 | (find-file (file-name-sans-versions (dired-get-filename) t))) |
84fc2cfa ER |
896 | |
897 | (defun dired-view-file () | |
492d2437 RS |
898 | "In dired, examine a file in view mode, returning to dired when done. |
899 | When file is a directory, show it in this buffer if it is inserted; | |
900 | otherwise, display it in another buffer." | |
84fc2cfa ER |
901 | (interactive) |
902 | (if (file-directory-p (dired-get-filename)) | |
7b2469ae RS |
903 | (or (and (cdr dired-subdir-alist) |
904 | (dired-goto-subdir (dired-get-filename))) | |
492d2437 | 905 | (dired (dired-get-filename))) |
715984d3 | 906 | (view-file (dired-get-filename)))) |
84fc2cfa ER |
907 | |
908 | (defun dired-find-file-other-window () | |
909 | "In dired, visit this file or directory in another window." | |
910 | (interactive) | |
c3554e95 | 911 | (find-file-other-window (file-name-sans-versions (dired-get-filename) t))) |
ab67260b RS |
912 | |
913 | (defun dired-display-file () | |
914 | "In dired, display this file or directory in another window." | |
915 | (interactive) | |
c3554e95 RS |
916 | (let ((file (file-name-sans-versions (dired-get-filename) t))) |
917 | (display-buffer (find-file-noselect file)))) | |
492d2437 RS |
918 | \f |
919 | ;;; Functions for extracting and manipulating file names in dired buffers. | |
84fc2cfa ER |
920 | |
921 | (defun dired-get-filename (&optional localp no-error-if-not-filep) | |
922 | "In dired, return name of file mentioned on this line. | |
923 | Value returned normally includes the directory name. | |
492d2437 RS |
924 | Optional arg LOCALP with value `no-dir' means don't include directory |
925 | name in result. A value of t means construct name relative to | |
926 | `default-directory', which still may contain slashes if in a subdirectory. | |
927 | Optional arg NO-ERROR-IF-NOT-FILEP means return nil if no filename on | |
928 | this line, otherwise an error occurs." | |
929 | (let (case-fold-search file p1 p2) | |
84fc2cfa | 930 | (save-excursion |
492d2437 RS |
931 | (if (setq p1 (dired-move-to-filename (not no-error-if-not-filep))) |
932 | (setq p2 (dired-move-to-end-of-filename no-error-if-not-filep)))) | |
933 | ;; nil if no file on this line, but no-error-if-not-filep is t: | |
934 | (if (setq file (and p1 p2 (buffer-substring p1 p2))) | |
935 | ;; Check if ls quoted the names, and unquote them. | |
936 | ;; Using read to unquote is much faster than substituting | |
937 | ;; \007 (4 chars) -> ^G (1 char) etc. in a lisp loop. | |
938 | (cond ((string-match "b" dired-actual-switches) ; System V ls | |
939 | ;; This case is about 20% slower than without -b. | |
940 | (setq file | |
941 | (read | |
942 | (concat "\"" | |
943 | ;; some ls -b don't escape quotes, argh! | |
944 | ;; This is not needed for GNU ls, though. | |
945 | (or (dired-string-replace-match | |
946 | "\\([^\\]\\)\"" file "\\1\\\\\"") | |
947 | file) | |
948 | "\"")))) | |
949 | ;; If you do this, update dired-insert-subdir-validate too | |
950 | ;; ((string-match "Q" dired-actual-switches) ; GNU ls | |
951 | ;; (setq file (read file))) | |
952 | )) | |
953 | (if (eq localp 'no-dir) | |
954 | file | |
955 | (and file (concat (dired-current-directory localp) file))))) | |
956 | ||
957 | (defun dired-make-absolute (file &optional dir) | |
958 | ;;"Convert FILE (a pathname relative to DIR) to an absolute pathname." | |
959 | ;; We can't always use expand-file-name as this would get rid of `.' | |
960 | ;; or expand in / instead default-directory if DIR=="". | |
961 | ;; This should be good enough for ange-ftp, but might easily be | |
962 | ;; redefined (for VMS?). | |
963 | ;; It should be reasonably fast, though, as it is called in | |
964 | ;; dired-get-filename. | |
965 | (concat (or dir default-directory) file)) | |
966 | ||
967 | (defun dired-make-relative (file &optional dir no-error) | |
968 | ;;"Convert FILE (an absolute pathname) to a pathname relative to DIR. | |
969 | ;; Else error (unless NO-ERROR is non-nil, then FILE is returned unchanged) | |
970 | ;;DIR defaults to default-directory." | |
971 | ;; DIR must be file-name-as-directory, as with all directory args in | |
52041219 | 972 | ;; Emacs Lisp code. |
492d2437 RS |
973 | (or dir (setq dir default-directory)) |
974 | (if (string-match (concat "^" (regexp-quote dir)) file) | |
975 | (substring file (match-end 0)) | |
976 | (if no-error | |
977 | file | |
978 | (error "%s: not in directory tree growing at %s" file dir)))) | |
979 | \f | |
980 | ;;; Functions for finding the file name in a dired buffer line. | |
981 | ||
982 | ;; Move to first char of filename on this line. | |
983 | ;; Returns position (point) or nil if no filename on this line." | |
984 | (defun dired-move-to-filename (&optional raise-error eol) | |
985 | ;; This is the UNIX version. | |
986 | (or eol (setq eol (progn (end-of-line) (point)))) | |
987 | (beginning-of-line) | |
988 | (if (re-search-forward | |
989 | "\\(Jan\\|Feb\\|Mar\\|Apr\\|May\\|Jun\\|Jul\\|Aug\\|Sep\\|Oct\\|Nov\\|Dec\\)[ ]+[0-9]+" | |
990 | eol t) | |
991 | (progn | |
992 | (skip-chars-forward " ") ; there is one SPC after day of month | |
993 | (skip-chars-forward "^ " eol) ; move after time of day (or year) | |
994 | (skip-chars-forward " " eol) ; there is space before the file name | |
995 | ;; Actually, if the year instead of clock time is displayed, | |
996 | ;; there are (only for some ls programs?) two spaces instead | |
997 | ;; of one before the name. | |
998 | ;; If we could depend on ls inserting exactly one SPC we | |
999 | ;; would not bomb on names _starting_ with SPC. | |
1000 | (point)) | |
1001 | (if raise-error | |
1002 | (error "No file on this line") | |
1003 | nil))) | |
1004 | ||
1005 | (defun dired-move-to-end-of-filename (&optional no-error) | |
1006 | ;; Assumes point is at beginning of filename, | |
1007 | ;; thus the rwx bit re-search-backward below will succeed in *this* | |
1008 | ;; line if at all. So, it should be called only after | |
1009 | ;; (dired-move-to-filename t). | |
1010 | ;; On failure, signals an error (with non-nil NO-ERROR just returns nil). | |
1011 | ;; This is the UNIX version. | |
1012 | (let (opoint file-type executable symlink hidden case-fold-search used-F eol) | |
1013 | ;; case-fold-search is nil now, so we can test for capital F: | |
1014 | (setq used-F (string-match "F" dired-actual-switches) | |
1015 | opoint (point) | |
1016 | eol (save-excursion (end-of-line) (point)) | |
1017 | hidden (and selective-display | |
1018 | (save-excursion (search-forward "\r" eol t)))) | |
1019 | (if hidden | |
1020 | nil | |
1021 | (save-excursion;; Find out what kind of file this is: | |
1022 | ;; Restrict perm bits to be non-blank, | |
1023 | ;; otherwise this matches one char to early (looking backward): | |
1024 | ;; "l---------" (some systems make symlinks that way) | |
1025 | ;; "----------" (plain file with zero perms) | |
1026 | (if (re-search-backward | |
1027 | "\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)[-r][-w]\\([^ ]\\)" | |
1028 | nil t) | |
1029 | (setq file-type (char-after (match-beginning 1)) | |
1030 | symlink (eq file-type ?l) | |
1031 | ;; Only with -F we need to know whether it's an executable | |
1032 | executable (and | |
1033 | used-F | |
1034 | (string-match | |
1035 | "[xst]";; execute bit set anywhere? | |
1036 | (concat | |
1037 | (buffer-substring (match-beginning 2) | |
1038 | (match-end 2)) | |
1039 | (buffer-substring (match-beginning 3) | |
1040 | (match-end 3)) | |
1041 | (buffer-substring (match-beginning 4) | |
1042 | (match-end 4)))))) | |
1043 | (or no-error (error "No file on this line")))) | |
1044 | ;; Move point to end of name: | |
1045 | (if symlink | |
1046 | (if (search-forward " ->" eol t) | |
1047 | (progn | |
1048 | (forward-char -3) | |
1049 | (and used-F | |
1050 | dired-ls-F-marks-symlinks | |
1051 | (eq (preceding-char) ?@);; did ls really mark the link? | |
1052 | (forward-char -1)))) | |
1053 | (goto-char eol);; else not a symbolic link | |
1054 | ;; ls -lF marks dirs, sockets and executables with exactly one | |
1055 | ;; trailing character. (Executable bits on symlinks ain't mean | |
1056 | ;; a thing, even to ls, but we know it's not a symlink.) | |
1057 | (and used-F | |
1058 | (or (memq file-type '(?d ?s)) | |
1059 | executable) | |
1060 | (forward-char -1)))) | |
1061 | (or no-error | |
1062 | (not (eq opoint (point))) | |
1063 | (error (if hidden | |
1064 | (substitute-command-keys | |
1065 | "File line is hidden, type \\[dired-hide-subdir] to unhide") | |
1066 | "No file on this line"))) | |
1067 | (if (eq opoint (point)) | |
1068 | nil | |
1069 | (point)))) | |
1070 | ||
1071 | \f | |
1072 | ;; Keeping Dired buffers in sync with the filesystem and with each other | |
1073 | ||
1074 | (defvar dired-buffers nil | |
1075 | ;; Enlarged by dired-advertise | |
1076 | ;; Queried by function dired-buffers-for-dir. When this detects a | |
1077 | ;; killed buffer, it is removed from this list. | |
1078 | "Alist of directories and their associated dired buffers.") | |
1079 | ||
1080 | (defun dired-buffers-for-dir (dir) | |
1081 | ;; Return a list of buffers that dired DIR (top level or in-situ subdir). | |
1082 | ;; The list is in reverse order of buffer creation, most recent last. | |
1083 | ;; As a side effect, killed dired buffers for DIR are removed from | |
1084 | ;; dired-buffers. | |
1085 | (setq dir (file-name-as-directory dir)) | |
1086 | (let ((alist dired-buffers) result elt) | |
1087 | (while alist | |
1088 | (setq elt (car alist)) | |
1089 | (if (dired-in-this-tree dir (car elt)) | |
1090 | (let ((buf (cdr elt))) | |
1091 | (if (buffer-name buf) | |
1092 | (if (assoc dir (save-excursion | |
1093 | (set-buffer buf) | |
1094 | dired-subdir-alist)) | |
1095 | (setq result (cons buf result))) | |
1096 | ;; else buffer is killed - clean up: | |
1097 | (setq dired-buffers (delq elt dired-buffers))))) | |
1098 | (setq alist (cdr alist))) | |
1099 | result)) | |
1100 | ||
1101 | (defun dired-advertise () | |
1102 | ;;"Advertise in variable `dired-buffers' that we dired `default-directory'." | |
1103 | ;; With wildcards we actually advertise too much. | |
1104 | (if (memq (current-buffer) (dired-buffers-for-dir default-directory)) | |
1105 | t ; we have already advertised ourselves | |
1106 | (setq dired-buffers | |
1107 | (cons (cons default-directory (current-buffer)) | |
1108 | dired-buffers)))) | |
1109 | ||
1110 | (defun dired-unadvertise (dir) | |
1111 | ;; Remove DIR from the buffer alist in variable dired-buffers. | |
1112 | ;; This has the effect of removing any buffer whose main directory is DIR. | |
1113 | ;; It does not affect buffers in which DIR is a subdir. | |
1114 | ;; Removing is also done as a side-effect in dired-buffer-for-dir. | |
1115 | (setq dired-buffers | |
1116 | (delq (assoc dir dired-buffers) dired-buffers))) | |
1117 | \f | |
1118 | ;; Tree Dired | |
1119 | ||
1120 | ;;; utility functions | |
1121 | ||
1122 | (defun dired-in-this-tree (file dir) | |
1123 | ;;"Is FILE part of the directory tree starting at DIR?" | |
1124 | (let (case-fold-search) | |
1125 | (string-match (concat "^" (regexp-quote dir)) file))) | |
1126 | ||
1127 | (defun dired-normalize-subdir (dir) | |
1128 | ;; Prepend default-directory to DIR if relative path name. | |
1129 | ;; dired-get-filename must be able to make a valid filename from a | |
1130 | ;; file and its directory DIR. | |
1131 | (file-name-as-directory | |
1132 | (if (file-name-absolute-p dir) | |
1133 | dir | |
1134 | (expand-file-name dir default-directory)))) | |
1135 | ||
1136 | (defun dired-get-subdir () | |
1137 | ;;"Return the subdir name on this line, or nil if not on a headerline." | |
1138 | ;; Look up in the alist whether this is a headerline. | |
1139 | (save-excursion | |
1140 | (let ((cur-dir (dired-current-directory))) | |
1141 | (beginning-of-line) ; alist stores b-o-l positions | |
1142 | (and (zerop (- (point) | |
1143 | (dired-get-subdir-min (assoc cur-dir | |
1144 | dired-subdir-alist)))) | |
1145 | cur-dir)))) | |
1146 | ||
1147 | ;(defun dired-get-subdir-min (elt) | |
1148 | ; (cdr elt)) | |
1149 | ;; can't use macro, must be redefinable for other alist format in dired-nstd. | |
62f61df0 | 1150 | (defalias 'dired-get-subdir-min 'cdr) |
492d2437 RS |
1151 | |
1152 | (defun dired-get-subdir-max (elt) | |
84fc2cfa | 1153 | (save-excursion |
492d2437 RS |
1154 | (goto-char (dired-get-subdir-min elt)) |
1155 | (dired-subdir-max))) | |
1156 | ||
1157 | (defun dired-clear-alist () | |
1158 | (while dired-subdir-alist | |
1159 | (set-marker (dired-get-subdir-min (car dired-subdir-alist)) nil) | |
1160 | (setq dired-subdir-alist (cdr dired-subdir-alist)))) | |
1161 | ||
c9d59fc2 RS |
1162 | (defun dired-subdir-index (dir) |
1163 | ;; Return an index into alist for use with nth | |
1164 | ;; for the sake of subdir moving commands. | |
1165 | (let (found (index 0) (alist dired-subdir-alist)) | |
1166 | (while alist | |
1167 | (if (string= dir (car (car alist))) | |
1168 | (setq alist nil found t) | |
1169 | (setq alist (cdr alist) index (1+ index)))) | |
1170 | (if found index nil))) | |
1171 | ||
1172 | (defun dired-next-subdir (arg &optional no-error-if-not-found no-skip) | |
1173 | "Go to next subdirectory, regardless of level." | |
1174 | ;; Use 0 arg to go to this directory's header line. | |
1175 | ;; NO-SKIP prevents moving to end of header line, returning whatever | |
1176 | ;; position was found in dired-subdir-alist. | |
1177 | (interactive "p") | |
1178 | (let ((this-dir (dired-current-directory)) | |
1179 | pos index) | |
1180 | ;; nth with negative arg does not return nil but the first element | |
1181 | (setq index (- (dired-subdir-index this-dir) arg)) | |
1182 | (setq pos (if (>= index 0) | |
1183 | (dired-get-subdir-min (nth index dired-subdir-alist)))) | |
1184 | (if pos | |
1185 | (progn | |
1186 | (goto-char pos) | |
1187 | (or no-skip (skip-chars-forward "^\n\r")) | |
1188 | (point)) | |
1189 | (if no-error-if-not-found | |
1190 | nil ; return nil if not found | |
1191 | (error "%s directory" (if (> arg 0) "Last" "First")))))) | |
1192 | ||
492d2437 RS |
1193 | (defun dired-build-subdir-alist () |
1194 | "Build `dired-subdir-alist' by parsing the buffer. | |
1195 | Returns the new value of the alist." | |
1196 | (interactive) | |
1197 | (dired-clear-alist) | |
1198 | (save-excursion | |
1199 | (let ((count 0)) | |
84fc2cfa | 1200 | (goto-char (point-min)) |
492d2437 RS |
1201 | (setq dired-subdir-alist nil) |
1202 | (while (re-search-forward dired-subdir-regexp nil t) | |
1203 | (setq count (1+ count)) | |
1204 | (dired-alist-add-1 (buffer-substring (match-beginning 1) | |
1205 | (match-end 1)) | |
1206 | ;; Put subdir boundary between lines: | |
1207 | (save-excursion | |
1208 | (goto-char (match-beginning 0)) | |
1209 | (beginning-of-line) | |
c9d59fc2 RS |
1210 | (point-marker)))) |
1211 | (if (> count 1) | |
1212 | (message "Buffer includes %d directories" count)) | |
492d2437 RS |
1213 | ;; We don't need to sort it because it is in buffer order per |
1214 | ;; constructionem. Return new alist: | |
1215 | dired-subdir-alist))) | |
1216 | ||
1217 | (defun dired-alist-add-1 (dir new-marker) | |
1218 | ;; Add new DIR at NEW-MARKER. Don't sort. | |
1219 | (setq dired-subdir-alist | |
1220 | (cons (cons (dired-normalize-subdir dir) new-marker) | |
1221 | dired-subdir-alist))) | |
1222 | ||
1223 | (defun dired-goto-next-nontrivial-file () | |
1224 | ;; Position point on first nontrivial file after point. | |
1225 | (dired-goto-next-file);; so there is a file to compare with | |
1226 | (if (stringp dired-trivial-filenames) | |
1227 | (while (and (not (eobp)) | |
1228 | (string-match dired-trivial-filenames | |
1229 | (file-name-nondirectory | |
1230 | (or (dired-get-filename nil t) "")))) | |
1231 | (forward-line 1) | |
1232 | (dired-move-to-filename)))) | |
1233 | ||
1234 | (defun dired-goto-next-file () | |
1235 | (let ((max (1- (dired-subdir-max)))) | |
1236 | (while (and (not (dired-move-to-filename)) (< (point) max)) | |
1237 | (forward-line 1)))) | |
1238 | ||
1239 | (defun dired-goto-file (file) | |
1240 | "Go to file line of FILE in this dired buffer." | |
1241 | ;; Return value of point on success, else nil. | |
1242 | ;; FILE must be an absolute pathname. | |
1243 | ;; Loses if FILE contains control chars like "\007" for which ls | |
1244 | ;; either inserts "?" or "\\007" into the buffer, so we won't find | |
1245 | ;; it in the buffer. | |
1246 | (interactive | |
1247 | (prog1 ; let push-mark display its message | |
1248 | (list (expand-file-name | |
1249 | (read-file-name "Goto file: " | |
1250 | (dired-current-directory)))) | |
1251 | (push-mark))) | |
1252 | (setq file (directory-file-name file)) ; does no harm if no directory | |
1253 | (let (found case-fold-search dir) | |
1254 | (setq dir (or (file-name-directory file) | |
1255 | (error "Need absolute pathname for %s" file))) | |
1256 | (save-excursion | |
1257 | ;; The hair here is to get the result of dired-goto-subdir | |
1258 | ;; without really calling it if we don't have any subdirs. | |
1259 | (if (if (string= dir default-directory) | |
1260 | (goto-char (point-min)) | |
7b2469ae | 1261 | (and (cdr dired-subdir-alist) |
492d2437 RS |
1262 | (dired-goto-subdir dir))) |
1263 | (let ((base (file-name-nondirectory file)) | |
1264 | (boundary (dired-subdir-max))) | |
1265 | (while (and (not found) | |
1266 | ;; filenames are preceded by SPC, this makes | |
1267 | ;; the search faster (e.g. for the filename "-"!). | |
1268 | (search-forward (concat " " base) boundary 'move)) | |
1269 | ;; Match could have BASE just as initial substring or | |
1270 | ;; or in permission bits or date or | |
1271 | ;; not be a proper filename at all: | |
1272 | (if (equal base (dired-get-filename 'no-dir t)) | |
1273 | ;; Must move to filename since an (actually | |
1274 | ;; correct) match could have been elsewhere on the | |
1275 | ;; ;; line (e.g. "-" would match somewhere in the | |
1276 | ;; permission bits). | |
1277 | (setq found (dired-move-to-filename))))))) | |
1278 | (and found | |
1279 | ;; return value of point (i.e., FOUND): | |
1280 | (goto-char found)))) | |
1281 | ||
1282 | (defun dired-initial-position (dirname) | |
1283 | ;; Where point should go in a new listing of DIRNAME. | |
1284 | ;; Point assumed at beginning of new subdir line. | |
1285 | ;; You may redefine this function as you wish, e.g. like in dired-x.el. | |
1286 | (end-of-line) | |
1287 | (if dired-trivial-filenames (dired-goto-next-nontrivial-file))) | |
1288 | \f | |
1289 | ;; These are hooks which make tree dired work. | |
1290 | ;; They are in this file because other parts of dired need to call them. | |
1291 | ;; But they don't call the rest of tree dired unless there are subdirs loaded. | |
1292 | ||
1293 | ;; This function is called for each retrieved filename. | |
1294 | ;; It could stand to be faster, though it's mostly function call | |
1295 | ;; overhead. Avoiding the function call seems to save about 10% in | |
1296 | ;; dired-get-filename. Make it a defsubst? | |
1297 | (defun dired-current-directory (&optional localp) | |
1298 | "Return the name of the subdirectory to which this line belongs. | |
1299 | This returns a string with trailing slash, like `default-directory'. | |
1300 | Optional argument means return a file name relative to `default-directory'." | |
1301 | (let ((here (point)) | |
1302 | (alist (or dired-subdir-alist | |
1303 | ;; probably because called in a non-dired buffer | |
1304 | (error "No subdir-alist in %s" (current-buffer)))) | |
1305 | elt dir) | |
1306 | (while alist | |
1307 | (setq elt (car alist) | |
1308 | dir (car elt) | |
1309 | ;; use `<=' (not `<') as subdir line is part of subdir | |
1310 | alist (if (<= (dired-get-subdir-min elt) here) | |
1311 | nil ; found | |
1312 | (cdr alist)))) | |
1313 | (if localp | |
1314 | (dired-make-relative dir default-directory) | |
1315 | dir))) | |
1316 | ||
1317 | ;; Subdirs start at the beginning of their header lines and end just | |
1318 | ;; before the beginning of the next header line (or end of buffer). | |
1319 | ||
1320 | (defun dired-subdir-max () | |
1321 | (save-excursion | |
7b2469ae | 1322 | (if (or (null (cdr dired-subdir-alist)) (not (dired-next-subdir 1 t t))) |
492d2437 RS |
1323 | (point-max) |
1324 | (point)))) | |
1325 | \f | |
1326 | ;; Deleting files | |
1327 | ||
1328 | (defun dired-do-flagged-delete () | |
1329 | "In dired, delete the files flagged for deletion." | |
1330 | (interactive) | |
1331 | (let* ((dired-marker-char dired-del-marker) | |
1332 | (regexp (dired-marker-regexp)) | |
1333 | case-fold-search) | |
1334 | (if (save-excursion (goto-char (point-min)) | |
1335 | (re-search-forward regexp nil t)) | |
1336 | (dired-internal-do-deletions | |
1337 | ;; this can't move point since ARG is nil | |
1338 | (dired-map-over-marks (cons (dired-get-filename) (point)) | |
1339 | nil) | |
1340 | nil) | |
1341 | (message "(No deletions requested)")))) | |
1342 | ||
1343 | (defun dired-do-delete (&optional arg) | |
1344 | "Delete all marked (or next ARG) files." | |
1345 | ;; This is more consistent with the file marking feature than | |
1346 | ;; dired-do-flagged-delete. | |
1347 | (interactive "P") | |
1348 | (dired-internal-do-deletions | |
1349 | ;; this may move point if ARG is an integer | |
1350 | (dired-map-over-marks (cons (dired-get-filename) (point)) | |
1351 | arg) | |
1352 | arg)) | |
1353 | ||
1354 | (defvar dired-deletion-confirmer 'yes-or-no-p) ; or y-or-n-p? | |
1355 | ||
1356 | (defun dired-internal-do-deletions (l arg) | |
1357 | ;; L is an alist of files to delete, with their buffer positions. | |
1358 | ;; ARG is the prefix arg. | |
1359 | ;; Filenames are absolute (VMS needs this for logical search paths). | |
1360 | ;; (car L) *must* be the *last* (bottommost) file in the dired buffer. | |
1361 | ;; That way as changes are made in the buffer they do not shift the | |
1362 | ;; lines still to be changed, so the (point) values in L stay valid. | |
1363 | ;; Also, for subdirs in natural order, a subdir's files are deleted | |
1364 | ;; before the subdir itself - the other way around would not work. | |
1365 | (let ((files (mapcar (function car) l)) | |
1366 | (count (length l)) | |
1367 | (succ 0)) | |
1368 | ;; canonicalize file list for pop up | |
1369 | (setq files (nreverse (mapcar (function dired-make-relative) files))) | |
1370 | (if (dired-mark-pop-up | |
1371 | " *Deletions*" 'delete files dired-deletion-confirmer | |
1372 | (format "Delete %s " (dired-mark-prompt arg files))) | |
84fc2cfa | 1373 | (save-excursion |
492d2437 RS |
1374 | (let (failures);; files better be in reverse order for this loop! |
1375 | (while l | |
1376 | (goto-char (cdr (car l))) | |
1377 | (let (buffer-read-only) | |
1378 | (condition-case err | |
1379 | (let ((fn (car (car l)))) | |
1380 | ;; This test is equivalent to | |
1381 | ;; (and (file-directory-p fn) (not (file-symlink-p fn))) | |
1382 | ;; but more efficient | |
1383 | (if (eq t (car (file-attributes fn))) | |
ab67260b | 1384 | (delete-directory fn) |
492d2437 RS |
1385 | (delete-file fn)) |
1386 | ;; if we get here, removing worked | |
1387 | (setq succ (1+ succ)) | |
1388 | (message "%s of %s deletions" succ count) | |
1389 | (delete-region (progn (beginning-of-line) (point)) | |
1390 | (progn (forward-line 1) (point))) | |
1391 | (dired-clean-up-after-deletion fn)) | |
1392 | (error;; catch errors from failed deletions | |
1393 | (dired-log "%s\n" err) | |
1394 | (setq failures (cons (car (car l)) failures))))) | |
1395 | (setq l (cdr l))) | |
1396 | (if (not failures) | |
1397 | (message "%d deletion%s done" count (dired-plural-s count)) | |
1398 | (dired-log-summary | |
1399 | (format "%d of %d deletion%s failed" | |
1400 | (length failures) count | |
1401 | (dired-plural-s count)) | |
1402 | failures)))) | |
1403 | (message "(No deletions performed)"))) | |
1404 | (dired-move-to-filename)) | |
1405 | ||
1406 | ;; This is a separate function for the sake of dired-x.el. | |
1407 | (defun dired-clean-up-after-deletion (fn) | |
1408 | ;; Clean up after a deleted file or directory FN. | |
7b2469ae RS |
1409 | (save-excursion (and (cdr dired-subdir-alist) |
1410 | (dired-goto-subdir fn) | |
492d2437 RS |
1411 | (dired-kill-subdir)))) |
1412 | \f | |
1413 | ;; Confirmation | |
1414 | ||
1415 | (defun dired-marker-regexp () | |
1416 | (concat "^" (regexp-quote (char-to-string dired-marker-char)))) | |
1417 | ||
1418 | (defun dired-plural-s (count) | |
1419 | (if (= 1 count) "" "s")) | |
1420 | ||
1421 | (defun dired-mark-prompt (arg files) | |
1422 | ;; Return a string for use in a prompt, either the current file | |
1423 | ;; name, or the marker and a count of marked files. | |
1424 | (let ((count (length files))) | |
1425 | (if (= count 1) | |
1426 | (car files) | |
1427 | ;; more than 1 file: | |
1428 | (if (integerp arg) | |
1429 | ;; abs(arg) = count | |
1430 | ;; Perhaps this is nicer, but it also takes more screen space: | |
1431 | ;;(format "[%s %d files]" (if (> arg 0) "next" "previous") | |
1432 | ;; count) | |
1433 | (format "[next %d files]" arg) | |
1434 | (format "%c [%d files]" dired-marker-char count))))) | |
1435 | ||
1436 | (defun dired-pop-to-buffer (buf) | |
1437 | ;; Pop up buffer BUF. | |
1438 | ;; If dired-shrink-to-fit is t, make its window fit its contents. | |
1439 | (if (not dired-shrink-to-fit) | |
1440 | (pop-to-buffer (get-buffer-create buf)) | |
1441 | ;; let window shrink to fit: | |
1442 | (let ((window (selected-window)) | |
1443 | target-lines w2) | |
1444 | (cond ;; if split-window-threshold is enabled, use the largest window | |
1445 | ((and (> (window-height (setq w2 (get-largest-window))) | |
1446 | split-height-threshold) | |
f98955ea | 1447 | (= (frame-width) (window-width w2))) |
492d2437 RS |
1448 | (setq window w2)) |
1449 | ;; if the least-recently-used window is big enough, use it | |
1450 | ((and (> (window-height (setq w2 (get-lru-window))) | |
1451 | (* 2 window-min-height)) | |
f98955ea | 1452 | (= (frame-width) (window-width w2))) |
492d2437 RS |
1453 | (setq window w2))) |
1454 | (save-excursion | |
1455 | (set-buffer buf) | |
1456 | (goto-char (point-max)) | |
1457 | (skip-chars-backward "\n\r\t ") | |
63ea14a5 RS |
1458 | (setq target-lines (count-lines (point-min) (point))) |
1459 | ;; Don't forget to count the last line. | |
1460 | (if (not (bolp)) | |
1461 | (setq target-lines (1+ target-lines)))) | |
492d2437 | 1462 | (if (<= (window-height window) (* 2 window-min-height)) |
f98955ea | 1463 | ;; At this point, every window on the frame is too small to split. |
492d2437 RS |
1464 | (setq w2 (display-buffer buf)) |
1465 | (setq w2 (split-window window | |
1466 | (max window-min-height | |
1467 | (- (window-height window) | |
1468 | (1+ (max window-min-height target-lines))))))) | |
1469 | (set-window-buffer w2 buf) | |
1470 | (if (< (1- (window-height w2)) target-lines) | |
1471 | (progn | |
1472 | (select-window w2) | |
1473 | (enlarge-window (- target-lines (1- (window-height w2)))))) | |
1474 | (set-window-start w2 1) | |
1475 | ))) | |
1476 | ||
1477 | (defvar dired-no-confirm nil | |
1478 | ;; "If non-nil, list of symbols for commands dired should not confirm. | |
1479 | ;;It can be a sublist of | |
1480 | ;; | |
1481 | ;; '(byte-compile chgrp chmod chown compress copy delete hardlink load | |
1482 | ;; move print shell symlink uncompress)" | |
1483 | ) | |
1484 | ||
1485 | (defun dired-mark-pop-up (bufname op-symbol files function &rest args) | |
1486 | ;;"Args BUFNAME OP-SYMBOL FILES FUNCTION &rest ARGS. | |
1487 | ;;Return FUNCTION's result on ARGS after popping up a window (in a buffer | |
1488 | ;;named BUFNAME, nil gives \" *Marked Files*\") showing the marked | |
1489 | ;;files. Uses function `dired-pop-to-buffer' to do that. | |
1490 | ;; FUNCTION should not manipulate files. | |
1491 | ;; It should only read input (an argument or confirmation). | |
1492 | ;;The window is not shown if there is just one file or | |
1493 | ;; OP-SYMBOL is a member of the list in `dired-no-confirm'. | |
1494 | ;;FILES is the list of marked files." | |
1495 | (or bufname (setq bufname " *Marked Files*")) | |
1496 | (if (or (memq op-symbol dired-no-confirm) | |
1497 | (= (length files) 1)) | |
1498 | (apply function args) | |
1499 | (save-excursion | |
1500 | (set-buffer (get-buffer-create bufname)) | |
1501 | (erase-buffer) | |
1502 | (dired-format-columns-of-files files)) | |
1503 | (save-window-excursion | |
1504 | (dired-pop-to-buffer bufname) | |
1505 | (apply function args)))) | |
1506 | ||
1507 | (defun dired-format-columns-of-files (files) | |
1508 | ;; Files should be in forward order for this loop. | |
1509 | ;; i.e., (car files) = first file in buffer. | |
1510 | ;; Returns the number of lines used. | |
1511 | (let* ((maxlen (+ 2 (apply 'max (mapcar 'length files)))) | |
1512 | (width (- (window-width (selected-window)) 2)) | |
1513 | (columns (max 1 (/ width maxlen))) | |
1514 | (nfiles (length files)) | |
1515 | (rows (+ (/ nfiles columns) | |
1516 | (if (zerop (% nfiles columns)) 0 1))) | |
1517 | (i 0) | |
1518 | (j 0)) | |
1519 | (setq files (nconc (copy-sequence files) ; fill up with empty fns | |
1520 | (make-list (- (* columns rows) nfiles) ""))) | |
1521 | (setcdr (nthcdr (1- (length files)) files) files) ; make circular | |
1522 | (while (< j rows) | |
1523 | (while (< i columns) | |
1524 | (indent-to (* i maxlen)) | |
1525 | (insert (car files)) | |
1526 | (setq files (nthcdr rows files) | |
1527 | i (1+ i))) | |
1528 | (insert "\n") | |
1529 | (setq i 0 | |
1530 | j (1+ j) | |
1531 | files (cdr files))) | |
1532 | rows)) | |
1533 | \f | |
1534 | ;; Commands to mark or flag file(s) at or near current line. | |
1535 | ||
1536 | (defun dired-repeat-over-lines (arg function) | |
1537 | ;; This version skips non-file lines. | |
1538 | (beginning-of-line) | |
1539 | (while (and (> arg 0) (not (eobp))) | |
1540 | (setq arg (1- arg)) | |
1541 | (beginning-of-line) | |
1542 | (while (and (not (eobp)) (dired-between-files)) (forward-line 1)) | |
1543 | (save-excursion (funcall function)) | |
1544 | (forward-line 1)) | |
1545 | (while (and (< arg 0) (not (bobp))) | |
1546 | (setq arg (1+ arg)) | |
1547 | (forward-line -1) | |
1548 | (while (and (not (bobp)) (dired-between-files)) (forward-line -1)) | |
1549 | (beginning-of-line) | |
1550 | (save-excursion (funcall function)) | |
1551 | (dired-move-to-filename)) | |
1552 | (dired-move-to-filename)) | |
1553 | ||
1554 | (defun dired-between-files () | |
1555 | ;; Point must be at beginning of line | |
1556 | ;; Should be equivalent to (save-excursion (not (dired-move-to-filename))) | |
1557 | ;; but is about 1.5..2.0 times as fast. (Actually that's not worth it) | |
1558 | (or (looking-at "^$\\|^. *$\\|^. total\\|^. wildcard") | |
1559 | (looking-at dired-subdir-regexp))) | |
1560 | ||
1561 | (defun dired-next-marked-file (arg &optional wrap opoint) | |
1562 | "Move to the next marked file, wrapping around the end of the buffer." | |
1563 | (interactive "p\np") | |
1564 | (or opoint (setq opoint (point)));; return to where interactively started | |
1565 | (if (if (> arg 0) | |
1566 | (re-search-forward dired-re-mark nil t arg) | |
1567 | (beginning-of-line) | |
1568 | (re-search-backward dired-re-mark nil t (- arg))) | |
1569 | (dired-move-to-filename) | |
1570 | (if (null wrap) | |
1571 | (progn | |
1572 | (goto-char opoint) | |
1573 | (error "No next marked file")) | |
1574 | (message "(Wraparound for next marked file)") | |
1575 | (goto-char (if (> arg 0) (point-min) (point-max))) | |
1576 | (dired-next-marked-file arg nil opoint)))) | |
1577 | ||
1578 | (defun dired-prev-marked-file (arg &optional wrap) | |
1579 | "Move to the previous marked file, wrapping around the end of the buffer." | |
1580 | (interactive "p\np") | |
1581 | (dired-next-marked-file (- arg) wrap)) | |
1582 | ||
1583 | (defun dired-file-marker (file) | |
1584 | ;; Return FILE's marker, or nil if unmarked. | |
1585 | (save-excursion | |
1586 | (and (dired-goto-file file) | |
1587 | (progn | |
1588 | (beginning-of-line) | |
1589 | (if (not (equal ?\040 (following-char))) | |
1590 | (following-char)))))) | |
1591 | ||
1592 | (defun dired-mark-files-in-region (start end) | |
1593 | (let (buffer-read-only) | |
1594 | (if (> start end) | |
1595 | (error "start > end")) | |
1596 | (goto-char start) ; assumed at beginning of line | |
1597 | (while (< (point) end) | |
1598 | ;; Skip subdir line and following garbage like the `total' line: | |
1599 | (while (and (< (point) end) (dired-between-files)) | |
1600 | (forward-line 1)) | |
1601 | (if (and (not (looking-at dired-re-dot)) | |
1602 | (dired-get-filename nil t)) | |
1603 | (progn | |
1604 | (delete-char 1) | |
1605 | (insert dired-marker-char))) | |
1606 | (forward-line 1)))) | |
1607 | ||
1608 | (defun dired-mark (arg) | |
1609 | "Mark the current (or next ARG) files. | |
1610 | If on a subdir headerline, mark all its files except `.' and `..'. | |
1611 | ||
1612 | Use \\[dired-unmark-all-files] to remove all marks | |
1613 | and \\[dired-unmark] on a subdir to remove the marks in | |
1614 | this subdir." | |
1615 | (interactive "P") | |
7b2469ae | 1616 | (if (and (cdr dired-subdir-alist) (dired-get-subdir)) |
492d2437 RS |
1617 | (save-excursion (dired-mark-subdir-files)) |
1618 | (let (buffer-read-only) | |
1619 | (dired-repeat-over-lines | |
52041219 | 1620 | (prefix-numeric-value arg) |
492d2437 RS |
1621 | (function (lambda () (delete-char 1) (insert dired-marker-char))))))) |
1622 | ||
1623 | (defun dired-unmark (arg) | |
1624 | "Unmark the current (or next ARG) files. | |
1625 | If looking at a subdir, unmark all its files except `.' and `..'." | |
1626 | (interactive "P") | |
1627 | (let ((dired-marker-char ?\040)) | |
1628 | (dired-mark arg))) | |
1629 | ||
1630 | (defun dired-flag-file-deletion (arg) | |
1631 | "In dired, flag the current line's file for deletion. | |
1632 | With prefix arg, repeat over several lines. | |
1633 | ||
1634 | If on a subdir headerline, mark all its files except `.' and `..'." | |
1635 | (interactive "P") | |
1636 | (let ((dired-marker-char dired-del-marker)) | |
1637 | (dired-mark arg))) | |
1638 | ||
1639 | (defun dired-unmark-backward (arg) | |
1640 | "In dired, move up lines and remove deletion flag there. | |
1641 | Optional prefix ARG says how many lines to unflag; default is one line." | |
1642 | (interactive "p") | |
1643 | (dired-unmark (- arg))) | |
84fc2cfa | 1644 | \f |
492d2437 RS |
1645 | ;;; Commands to mark or flag files based on their characteristics or names. |
1646 | ||
d2cadc4b RS |
1647 | (defvar dired-regexp-history nil |
1648 | "History list of regular expressions used in Dired commands.") | |
1649 | ||
1650 | (defun dired-read-regexp (prompt) | |
1651 | (read-from-minibuffer prompt nil nil nil 'dired-regexp-history)) | |
492d2437 RS |
1652 | |
1653 | (defun dired-mark-files-regexp (regexp &optional marker-char) | |
1654 | "Mark all files matching REGEXP for use in later commands. | |
1655 | A prefix argument means to unmark them instead. | |
1656 | `.' and `..' are never marked. | |
1657 | ||
1658 | REGEXP is an Emacs regexp, not a shell wildcard. Thus, use `\\.o$' for | |
1659 | object files--just `.o' will mark more than you might think." | |
1660 | (interactive | |
1661 | (list (dired-read-regexp (concat (if current-prefix-arg "Unmark" "Mark") | |
1662 | " files (regexp): ")) | |
1663 | (if current-prefix-arg ?\040))) | |
1664 | (let ((dired-marker-char (or marker-char dired-marker-char))) | |
1665 | (dired-mark-if | |
1666 | (and (not (looking-at dired-re-dot)) | |
1667 | (not (eolp)) ; empty line | |
1668 | (let ((fn (dired-get-filename nil t))) | |
1669 | (and fn (string-match regexp (file-name-nondirectory fn))))) | |
1670 | "matching file"))) | |
1671 | ||
1672 | (defun dired-flag-files-regexp (regexp) | |
1673 | "In dired, flag all files containing the specified REGEXP for deletion. | |
1674 | The match is against the non-directory part of the filename. Use `^' | |
1675 | and `$' to anchor matches. Exclude subdirs by hiding them. | |
1676 | `.' and `..' are never flagged." | |
1677 | (interactive (list (dired-read-regexp "Flag for deletion (regexp): "))) | |
1678 | (dired-mark-files-regexp regexp dired-del-marker)) | |
1679 | ||
1680 | (defun dired-mark-symlinks (unflag-p) | |
1681 | "Mark all symbolic links. | |
1682 | With prefix argument, unflag all those files." | |
1683 | (interactive "P") | |
1684 | (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) | |
1685 | (dired-mark-if (looking-at dired-re-sym) "symbolic link"))) | |
1686 | ||
1687 | (defun dired-mark-directories (unflag-p) | |
1688 | "Mark all directory file lines except `.' and `..'. | |
1689 | With prefix argument, unflag all those files." | |
1690 | (interactive "P") | |
1691 | (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) | |
1692 | (dired-mark-if (and (looking-at dired-re-dir) | |
1693 | (not (looking-at dired-re-dot))) | |
1694 | "directory file"))) | |
1695 | ||
1696 | (defun dired-mark-executables (unflag-p) | |
1697 | "Mark all executable files. | |
1698 | With prefix argument, unflag all those files." | |
1699 | (interactive "P") | |
1700 | (let ((dired-marker-char (if unflag-p ?\040 dired-marker-char))) | |
1701 | (dired-mark-if (looking-at dired-re-exe) "executable file"))) | |
1702 | ||
1703 | ;; dired-x.el has a dired-mark-sexp interactive command: mark | |
1704 | ;; files for which PREDICATE returns non-nil. | |
1705 | ||
1706 | (defun dired-flag-auto-save-files (&optional unflag-p) | |
84fc2cfa ER |
1707 | "Flag for deletion files whose names suggest they are auto save files. |
1708 | A prefix argument says to unflag those files instead." | |
1709 | (interactive "P") | |
492d2437 RS |
1710 | (let ((dired-marker-char (if unflag-p ?\040 dired-del-marker))) |
1711 | (dired-mark-if | |
1712 | (and (not (looking-at dired-re-dir)) | |
1713 | (let ((fn (dired-get-filename t t))) | |
1714 | (if fn (auto-save-file-name-p | |
1715 | (file-name-nondirectory fn))))) | |
1716 | "auto save file"))) | |
1717 | ||
1718 | (defun dired-flag-backup-files (&optional unflag-p) | |
1719 | "Flag all backup files (names ending with `~') for deletion. | |
1720 | With prefix argument, unflag these files." | |
1721 | (interactive "P") | |
1722 | (let ((dired-marker-char (if unflag-p ?\040 dired-del-marker))) | |
1723 | (dired-mark-if | |
1724 | (and (not (looking-at dired-re-dir)) | |
1725 | (let ((fn (dired-get-filename t t))) | |
1726 | (if fn (backup-file-name-p fn)))) | |
1727 | "backup file"))) | |
1728 | ||
6482fcac RS |
1729 | (defun dired-change-marks (&optional old new) |
1730 | "Change all OLD marks to NEW marks. | |
1731 | OLD and NEW are both characters used to mark files." | |
1732 | (interactive | |
1733 | (let* ((cursor-in-echo-area t) | |
1734 | (old (progn (message "Change (old mark): ") (read-char))) | |
1735 | (new (progn (message "Change %c marks to (new mark): " old) | |
1736 | (read-char)))) | |
1737 | (list old new))) | |
1738 | (let ((regexp (format "^%s" (regexp-quote old))) | |
1739 | (buffer-read-only)) | |
1740 | (save-excursion | |
1741 | (goto-char (point-min)) | |
1742 | (while (re-search-forward regexp nil t) | |
1743 | (beginning-of-line) | |
1744 | (delete-region (point) (1+ (point))) | |
1745 | (insert-char new 1))))) | |
1746 | ||
492d2437 RS |
1747 | (defun dired-unmark-all-files (flag &optional arg) |
1748 | "Remove a specific mark or any mark from every file. | |
3585916f | 1749 | With prefix arg, query for each marked file. |
492d2437 | 1750 | Type \\[help-command] at that time for help." |
3585916f RS |
1751 | (interactive |
1752 | (let* ((cursor-in-echo-area t)) | |
1753 | (list (progn (message "Remove marks (RET means all): ") (read-char)) | |
1754 | current-prefix-arg))) | |
492d2437 RS |
1755 | (let ((count 0) |
1756 | (re (if (zerop (length flag)) dired-re-mark | |
1757 | (concat "^" (regexp-quote flag))))) | |
1758 | (save-excursion | |
1759 | (let (buffer-read-only case-fold-search query | |
1760 | (help-form "\ | |
1761 | Type SPC or `y' to unflag one file, DEL or `n' to skip to next, | |
1762 | `!' to unflag all remaining files with no more questions.")) | |
1763 | (goto-char (point-min)) | |
1764 | (while (re-search-forward re nil t) | |
1765 | (if (or (not arg) | |
1766 | (dired-query 'query "Unmark file `%s'? " | |
1767 | (dired-get-filename t))) | |
1768 | (progn (delete-char -1) (insert " ") (setq count (1+ count)))) | |
1769 | (forward-line 1)))) | |
1770 | (message "%s" (format "Flags removed: %d %s" count flag) ))) | |
1771 | \f | |
492d2437 | 1772 | ;; Logging failures operating on files, and showing the results. |
84fc2cfa | 1773 | |
492d2437 | 1774 | (defvar dired-log-buffer "*Dired log*") |
84fc2cfa | 1775 | |
492d2437 RS |
1776 | (defun dired-why () |
1777 | "Pop up a buffer with error log output from Dired. | |
1778 | A group of errors from a single command ends with a formfeed. | |
1779 | Thus, use \\[backward-page] to find the beginning of a group of errors." | |
1780 | (interactive) | |
1781 | (if (get-buffer dired-log-buffer) | |
1782 | (let ((owindow (selected-window)) | |
1783 | (window (display-buffer (get-buffer dired-log-buffer)))) | |
1784 | (unwind-protect | |
6482fcac | 1785 | (progn |
492d2437 RS |
1786 | (select-window window) |
1787 | (goto-char (point-max)) | |
1788 | (recenter -1)) | |
1789 | (select-window owindow))))) | |
1790 | ||
1791 | (defun dired-log (log &rest args) | |
1792 | ;; Log a message or the contents of a buffer. | |
1793 | ;; If LOG is a string and there are more args, it is formatted with | |
1794 | ;; those ARGS. Usually the LOG string ends with a \n. | |
1795 | ;; End each bunch of errors with (dired-log t): this inserts | |
1796 | ;; current time and buffer, and a \f (formfeed). | |
1797 | (let ((obuf (current-buffer))) | |
1798 | (unwind-protect ; want to move point | |
1799 | (progn | |
1800 | (set-buffer (get-buffer-create dired-log-buffer)) | |
1801 | (goto-char (point-max)) | |
1802 | (let (buffer-read-only) | |
1803 | (cond ((stringp log) | |
1804 | (insert (if args | |
1805 | (apply (function format) log args) | |
1806 | log))) | |
1807 | ((bufferp log) | |
1808 | (insert-buffer log)) | |
1809 | ((eq t log) | |
1810 | (insert "\n\t" (current-time-string) | |
1811 | "\tBuffer `" (buffer-name obuf) "'\n\f\n"))))) | |
1812 | (set-buffer obuf)))) | |
1813 | ||
1814 | (defun dired-log-summary (string failures) | |
1815 | (message (if failures "%s--type ? for details (%s)" | |
1816 | "%s--type ? for details") | |
1817 | string failures) | |
1818 | ;; Log a summary describing a bunch of errors. | |
1819 | (dired-log (concat "\n" string)) | |
1820 | (dired-log t)) | |
1821 | \f | |
1822 | ;;; Sorting | |
1823 | ||
1824 | ;; Most ls can only sort by name or by date (with -t), nothing else. | |
1825 | ;; GNU ls sorts on size with -S, on extension with -X, and unsorted with -U. | |
1826 | ;; So anything that does not contain these is sort "by name". | |
1827 | ||
1828 | (defvar dired-ls-sorting-switches "SXU" | |
1829 | "String of `ls' switches (single letters) except `t' that influence sorting.") | |
1830 | ||
1831 | (defvar dired-sort-by-date-regexp | |
1832 | (concat "^-[^" dired-ls-sorting-switches | |
1833 | "]*t[^" dired-ls-sorting-switches "]*$") | |
1834 | "Regexp recognized by dired to set `by date' mode.") | |
1835 | ||
1836 | (defvar dired-sort-by-name-regexp | |
1837 | (concat "^-[^t" dired-ls-sorting-switches "]+$") | |
1838 | "Regexp recognized by dired to set `by name' mode.") | |
1839 | ||
1840 | (defvar dired-sort-mode nil | |
1841 | "Whether Dired sorts by name, date etc. (buffer-local).") | |
1842 | ;; This is nil outside dired buffers so it can be used in the modeline | |
1843 | ||
1844 | (defun dired-sort-set-modeline () | |
1845 | ;; Set modeline display according to dired-actual-switches. | |
1846 | ;; Modeline display of "by name" or "by date" guarantees the user a | |
1847 | ;; match with the corresponding regexps. Non-matching switches are | |
1848 | ;; shown literally. | |
1849 | (setq dired-sort-mode | |
1850 | (let (case-fold-search) | |
1851 | (cond ((string-match dired-sort-by-name-regexp dired-actual-switches) | |
1852 | " by name") | |
1853 | ((string-match dired-sort-by-date-regexp dired-actual-switches) | |
1854 | " by date") | |
1855 | (t | |
1856 | (concat " " dired-actual-switches))))) | |
1857 | ;; update mode line: | |
1858 | (set-buffer-modified-p (buffer-modified-p))) | |
1859 | ||
1860 | (defun dired-sort-toggle-or-edit (&optional arg) | |
1861 | "Toggle between sort by date/name and refresh the dired buffer. | |
1862 | With a prefix argument you can edit the current listing switches instead." | |
84fc2cfa | 1863 | (interactive "P") |
492d2437 RS |
1864 | (if arg |
1865 | (dired-sort-other | |
1866 | (read-string "ls switches (must contain -l): " dired-actual-switches)) | |
1867 | (dired-sort-toggle))) | |
1868 | ||
1869 | (defun dired-sort-toggle () | |
1870 | ;; Toggle between sort by date/name. Reverts the buffer. | |
1871 | (setq dired-actual-switches | |
1872 | (let (case-fold-search) | |
1873 | (concat | |
1874 | "-l" | |
1875 | (dired-replace-in-string (concat "[---lt" | |
1876 | dired-ls-sorting-switches "]") | |
1877 | "" | |
1878 | dired-actual-switches) | |
1879 | (if (string-match (concat "[t" dired-ls-sorting-switches "]") | |
1880 | dired-actual-switches) | |
1881 | "" | |
1882 | "t")))) | |
1883 | (dired-sort-set-modeline) | |
1884 | (revert-buffer)) | |
1885 | ||
1886 | (defun dired-replace-in-string (regexp newtext string) | |
1887 | ;; Replace REGEXP with NEWTEXT everywhere in STRING and return result. | |
1888 | ;; NEWTEXT is taken literally---no \\DIGIT escapes will be recognized. | |
1889 | (let ((result "") (start 0) mb me) | |
1890 | (while (string-match regexp string start) | |
1891 | (setq mb (match-beginning 0) | |
1892 | me (match-end 0) | |
1893 | result (concat result (substring string start mb) newtext) | |
1894 | start me)) | |
1895 | (concat result (substring string start)))) | |
1896 | ||
1897 | (defun dired-sort-other (switches &optional no-revert) | |
1898 | ;; Specify new ls SWITCHES for current dired buffer. Values matching | |
1899 | ;; `dired-sort-by-date-regexp' or `dired-sort-by-name-regexp' set the | |
1900 | ;; minor mode accordingly, others appear literally in the mode line. | |
1901 | ;; With optional second arg NO-REVERT, don't refresh the listing afterwards. | |
1902 | (setq dired-actual-switches switches) | |
1903 | (dired-sort-set-modeline) | |
1904 | (or no-revert (revert-buffer))) | |
84fc2cfa | 1905 | \f |
492d2437 RS |
1906 | ;; To make this file smaller, the less common commands |
1907 | ;; go in a separate file. But autoload them here | |
1908 | ;; to make the separation invisible. | |
1909 | ||
1910 | (autoload 'dired-diff "dired-aux" | |
1911 | "Compare file at point with file FILE using `diff'. | |
1912 | FILE defaults to the file at the mark. | |
ab67260b | 1913 | The prompted-for file is the first file given to `diff'." |
492d2437 RS |
1914 | t) |
1915 | ||
1916 | (autoload 'dired-backup-diff "dired-aux" | |
1917 | "Diff this file with its backup file or vice versa. | |
1918 | Uses the latest backup, if there are several numerical backups. | |
1919 | If this file is a backup, diff it with its original. | |
ab67260b | 1920 | The backup file is the first file given to `diff'." |
492d2437 RS |
1921 | t) |
1922 | ||
2d051399 RS |
1923 | (autoload 'dired-clean-directory "dired-aux" |
1924 | "Flag numerical backups for deletion. | |
1925 | Spares `dired-kept-versions' latest versions, and `kept-old-versions' oldest. | |
1926 | Positive prefix arg KEEP overrides `dired-kept-versions'; | |
1927 | Negative prefix arg KEEP overrides `kept-old-versions' with KEEP made positive. | |
1928 | ||
1929 | To clear the flags on these files, you can use \\[dired-flag-backup-files] | |
1930 | with a prefix argument." | |
1931 | t) | |
1932 | ||
492d2437 RS |
1933 | (autoload 'dired-do-chmod "dired-aux" |
1934 | "Change the mode of the marked (or next ARG) files. | |
1935 | This calls chmod, thus symbolic modes like `g+w' are allowed." | |
1936 | t) | |
1937 | ||
1938 | (autoload 'dired-do-chgrp "dired-aux" | |
1939 | "Change the group of the marked (or next ARG) files." | |
1940 | t) | |
1941 | ||
1942 | (autoload 'dired-do-chown "dired-aux" | |
1943 | "Change the owner of the marked (or next ARG) files." | |
1944 | t) | |
1945 | ||
1946 | (autoload 'dired-do-print "dired-aux" | |
1947 | "Print the marked (or next ARG) files. | |
1948 | Uses the shell command coming from variables `lpr-command' and | |
1949 | `lpr-switches' as default." | |
1950 | t) | |
1951 | ||
1952 | (autoload 'dired-do-shell-command "dired-aux" | |
6482fcac RS |
1953 | "Run a shell command COMMAND on the marked files. |
1954 | If no files are marked or a specific numeric prefix arg is given, | |
1955 | the next ARG files are used. Just \\[universal-argument] means the current file. | |
1956 | The prompt mentions the file(s) or the marker, as appropriate. | |
1957 | ||
492d2437 | 1958 | If there is output, it goes to a separate buffer. |
6482fcac | 1959 | |
492d2437 RS |
1960 | Normally the command is run on each file individually. |
1961 | However, if there is a `*' in the command then it is run | |
1962 | just once with the entire file list substituted there. | |
1963 | ||
6482fcac RS |
1964 | No automatic redisplay of dired buffers is attempted, as there's no |
1965 | telling what files the command may have changed. Type | |
1966 | \\[dired-do-redisplay] to redisplay the marked files. | |
492d2437 RS |
1967 | |
1968 | The shell command has the top level directory as working directory, so | |
1969 | output files usually are created there instead of in a subdir." | |
1970 | t) | |
1971 | ||
492d2437 RS |
1972 | (autoload 'dired-do-kill-lines "dired-aux" |
1973 | "Kill all marked lines (not the files). | |
1974 | With a prefix arg, kill all lines not marked or flagged." | |
1975 | t) | |
1976 | ||
1977 | (autoload 'dired-do-compress "dired-aux" | |
1978 | "Compress or uncompress marked (or next ARG) files." | |
1979 | t) | |
1980 | ||
1981 | (autoload 'dired-do-byte-compile "dired-aux" | |
1982 | "Byte compile marked (or next ARG) Emacs Lisp files." | |
1983 | t) | |
1984 | ||
1985 | (autoload 'dired-do-load "dired-aux" | |
1986 | "Load the marked (or next ARG) Emacs Lisp files." | |
1987 | t) | |
1988 | ||
1989 | (autoload 'dired-do-redisplay "dired-aux" | |
1990 | "Redisplay all marked (or next ARG) files. | |
1991 | If on a subdir line, redisplay that subdirectory. In that case, | |
1992 | a prefix arg lets you edit the `ls' switches used for the new listing." | |
1993 | t) | |
1994 | ||
1995 | (autoload 'dired-string-replace-match "dired-aux" | |
1996 | "Replace first match of REGEXP in STRING with NEWTEXT. | |
1997 | If it does not match, nil is returned instead of the new string. | |
1998 | Optional arg LITERAL means to take NEWTEXT literally. | |
1999 | Optional arg GLOBAL means to replace all matches." | |
2000 | t) | |
2001 | ||
2002 | (autoload 'dired-create-directory "dired-aux" | |
84fc2cfa | 2003 | "Create a directory called DIRECTORY." |
492d2437 | 2004 | t) |
84fc2cfa | 2005 | |
492d2437 RS |
2006 | (autoload 'dired-do-copy "dired-aux" |
2007 | "Copy all marked (or next ARG) files, or copy the current file. | |
2008 | Thus, a zero prefix argument copies nothing. But it toggles the | |
2009 | variable `dired-copy-preserve-time' (which see)." | |
2010 | t) | |
2011 | ||
2012 | (autoload 'dired-do-symlink "dired-aux" | |
2013 | "Make symbolic links to current file or all marked (or next ARG) files. | |
2014 | When operating on just the current file, you specify the new name. | |
2015 | When operating on multiple or marked files, you specify a directory | |
2016 | and new symbolic links are made in that directory | |
2017 | with the same names that the files currently have." | |
2018 | t) | |
2019 | ||
2020 | (autoload 'dired-do-hardlink "dired-aux" | |
2021 | "Add names (hard links) current file or all marked (or next ARG) files. | |
2022 | When operating on just the current file, you specify the new name. | |
2023 | When operating on multiple or marked files, you specify a directory | |
2024 | and new hard links are made in that directory | |
2025 | with the same names that the files currently have." | |
2026 | t) | |
2027 | ||
2028 | (autoload 'dired-do-rename "dired-aux" | |
2029 | "Rename current file or all marked (or next ARG) files. | |
2030 | When renaming just the current file, you specify the new name. | |
2031 | When renaming multiple or marked files, you specify a directory." | |
2032 | t) | |
2033 | ||
2034 | (autoload 'dired-do-rename-regexp "dired-aux" | |
2035 | "Rename marked files containing REGEXP to NEWNAME. | |
2036 | As each match is found, the user must type a character saying | |
2037 | what to do with it. For directions, type \\[help-command] at that time. | |
2038 | NEWNAME may contain \\=\\<n> or \\& as in `query-replace-regexp'. | |
2039 | REGEXP defaults to the last regexp used. | |
2040 | With a zero prefix arg, renaming by regexp affects the complete | |
2041 | pathname - usually only the non-directory part of file names is used | |
2042 | and changed." | |
2043 | t) | |
2044 | ||
2045 | (autoload 'dired-do-copy-regexp "dired-aux" | |
2046 | "Copy all marked files containing REGEXP to NEWNAME. | |
2047 | See function `dired-rename-regexp' for more info." | |
2048 | t) | |
2049 | ||
2050 | (autoload 'dired-do-hardlink-regexp "dired-aux" | |
2051 | "Hardlink all marked files containing REGEXP to NEWNAME. | |
2052 | See function `dired-rename-regexp' for more info." | |
2053 | t) | |
2054 | ||
2055 | (autoload 'dired-do-symlink-regexp "dired-aux" | |
2056 | "Symlink all marked files containing REGEXP to NEWNAME. | |
2057 | See function `dired-rename-regexp' for more info." | |
2058 | t) | |
2059 | ||
2060 | (autoload 'dired-upcase "dired-aux" | |
2061 | "Rename all marked (or next ARG) files to upper case." | |
2062 | t) | |
2063 | ||
2064 | (autoload 'dired-downcase "dired-aux" | |
2065 | "Rename all marked (or next ARG) files to lower case." | |
2066 | t) | |
2067 | ||
2068 | (autoload 'dired-maybe-insert-subdir "dired-aux" | |
2069 | "Insert this subdirectory into the same dired buffer. | |
2070 | If it is already present, just move to it (type \\[dired-do-redisplay] to refresh), | |
2071 | else inserts it at its natural place (as `ls -lR' would have done). | |
2072 | With a prefix arg, you may edit the ls switches used for this listing. | |
2073 | You can add `R' to the switches to expand the whole tree starting at | |
2074 | this subdirectory. | |
2075 | This function takes some pains to conform to `ls -lR' output." | |
2076 | t) | |
2077 | ||
2078 | (autoload 'dired-next-subdir "dired-aux" | |
2079 | "Go to next subdirectory, regardless of level." | |
2080 | t) | |
2081 | ||
2082 | (autoload 'dired-prev-subdir "dired-aux" | |
2083 | "Go to previous subdirectory, regardless of level. | |
2084 | When called interactively and not on a subdir line, go to this subdir's line." | |
2085 | t) | |
2086 | ||
2087 | (autoload 'dired-goto-subdir "dired-aux" | |
2088 | "Go to end of header line of DIR in this dired buffer. | |
2089 | Return value of point on success, otherwise return nil. | |
2090 | The next char is either \\n, or \\r if DIR is hidden." | |
2091 | t) | |
2092 | ||
2093 | (autoload 'dired-mark-subdir-files "dired-aux" | |
2094 | "Mark all files except `.' and `..'." | |
2095 | t) | |
2096 | ||
2097 | (autoload 'dired-kill-subdir "dired-aux" | |
2098 | "Remove all lines of current subdirectory. | |
2099 | Lower levels are unaffected." | |
2100 | t) | |
2101 | ||
2102 | (autoload 'dired-tree-up "dired-aux" | |
2103 | "Go up ARG levels in the dired tree." | |
2104 | t) | |
2105 | ||
2106 | (autoload 'dired-tree-down "dired-aux" | |
2107 | "Go down in the dired tree." | |
2108 | t) | |
2109 | ||
2110 | (autoload 'dired-hide-subdir "dired-aux" | |
2111 | "Hide or unhide the current subdirectory and move to next directory. | |
2112 | Optional prefix arg is a repeat factor. | |
2113 | Use \\[dired-hide-all] to (un)hide all directories." | |
2114 | t) | |
2115 | ||
2116 | (autoload 'dired-hide-all "dired-aux" | |
2117 | "Hide all subdirectories, leaving only their header lines. | |
2118 | If there is already something hidden, make everything visible again. | |
2119 | Use \\[dired-hide-subdir] to (un)hide a particular subdirectory." | |
2120 | t) | |
84fc2cfa | 2121 | \f |
492d2437 RS |
2122 | (if (eq system-type 'vax-vms) |
2123 | (load "dired-vms")) | |
84fc2cfa | 2124 | |
492d2437 | 2125 | (run-hooks 'dired-load-hook) ; for your customizations |
84fc2cfa | 2126 | |
52041219 RS |
2127 | (provide 'dired) |
2128 | ||
2129 | ;;; dired.el ends here |