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f9acc7fb | 1 | ;;; dired-aux.el --- less commonly used parts of dired -*-byte-compile-dynamic: t;-*- |
dd87891b | 2 | |
0d30b337 | 3 | ;; Copyright (C) 1985, 1986, 1992, 1994, 1998, 2000, 2001, 2002, 2003, |
409cc4a3 | 4 | ;; 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
3a801d0c | 5 | |
2f14b48d | 6 | ;; Author: Sebastian Kremer <sk@thp.uni-koeln.de>. |
0acdb863 | 7 | ;; Maintainer: FSF |
565132a3 | 8 | ;; Keywords: files |
e5167999 | 9 | |
dd87891b RS |
10 | ;; This file is part of GNU Emacs. |
11 | ||
12 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
b4aa6026 | 14 | ;; the Free Software Foundation; either version 3, or (at your option) |
dd87891b RS |
15 | ;; any later version. |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
b578f267 | 23 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
086add15 LK |
24 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
25 | ;; Boston, MA 02110-1301, USA. | |
dd87891b | 26 | |
2f14b48d ER |
27 | ;;; Commentary: |
28 | ||
e41b2db1 ER |
29 | ;; The parts of dired mode not normally used. This is a space-saving hack |
30 | ;; to avoid having to load a large mode when all that's wanted are a few | |
31 | ;; functions. | |
32 | ||
dd87891b RS |
33 | ;; Rewritten in 1990/1991 to add tree features, file marking and |
34 | ;; sorting by Sebastian Kremer <sk@thp.uni-koeln.de>. | |
35 | ;; Finished up by rms in 1992. | |
36 | ||
2f14b48d ER |
37 | ;;; Code: |
38 | ||
55d77548 RS |
39 | ;; We need macros in dired.el to compile properly, |
40 | ;; and we call subroutines in it too. | |
41 | (require 'dired) | |
6482fcac | 42 | |
c62a8073 RS |
43 | (defvar dired-create-files-failures nil |
44 | "Variable where `dired-create-files' records failing file names. | |
45 | Functions that operate recursively can store additional names | |
46 | into this list; they also should call `dired-log' to log the errors.") | |
47 | ||
dd87891b RS |
48 | ;;; 15K |
49 | ;;;###begin dired-cmd.el | |
50 | ;; Diffing and compressing | |
51 | ||
edb8d73e FP |
52 | (defconst dired-star-subst-regexp "\\(^\\|[ \t]\\)\\*\\([ \t]\\|$\\)") |
53 | (defconst dired-quark-subst-regexp "\\(^\\|[ \t]\\)\\?\\([ \t]\\|$\\)") | |
54 | ||
dd87891b RS |
55 | ;;;###autoload |
56 | (defun dired-diff (file &optional switches) | |
57 | "Compare file at point with file FILE using `diff'. | |
a1af8dcf EZ |
58 | FILE defaults to the file at the mark. (That's the mark set by |
59 | \\[set-mark-command], not by Dired's \\[dired-mark] command.) | |
fe5e3a2a RS |
60 | The prompted-for file is the first file given to `diff'. |
61 | With prefix arg, prompt for second argument SWITCHES, | |
84bf6ad8 | 62 | which is options for `diff'." |
dd87891b | 63 | (interactive |
84bf6ad8 JL |
64 | (let ((current (dired-get-filename t)) |
65 | (default (if (mark t) | |
0d370700 | 66 | (save-excursion (goto-char (mark t)) |
dd87891b | 67 | (dired-get-filename t t))))) |
84bf6ad8 JL |
68 | (if (or (equal default current) |
69 | (and (not (equal (dired-dwim-target-directory) | |
70 | (dired-current-directory))) | |
71 | (not mark-active))) | |
72 | (setq default nil)) | |
231596b2 | 73 | (require 'diff) |
5b76833f | 74 | (list (read-file-name (format "Diff %s with%s: " |
84bf6ad8 | 75 | current |
dd87891b | 76 | (if default |
5b76833f | 77 | (concat " (default " default ")") |
dd87891b | 78 | "")) |
4ae73f87 JL |
79 | (if default |
80 | (dired-current-directory) | |
81 | (dired-dwim-target-directory)) | |
82 | default t) | |
fe5e3a2a RS |
83 | (if current-prefix-arg |
84 | (read-string "Options for diff: " | |
85 | (if (stringp diff-switches) | |
86 | diff-switches | |
87 | (mapconcat 'identity diff-switches " "))))))) | |
88 | (diff file (dired-get-filename t) switches)) | |
dd87891b RS |
89 | |
90 | ;;;###autoload | |
91 | (defun dired-backup-diff (&optional switches) | |
92 | "Diff this file with its backup file or vice versa. | |
93 | Uses the latest backup, if there are several numerical backups. | |
94 | If this file is a backup, diff it with its original. | |
fe5e3a2a RS |
95 | The backup file is the first file given to `diff'. |
96 | With prefix arg, prompt for argument SWITCHES which is options for `diff'." | |
97 | (interactive | |
98 | (if current-prefix-arg | |
99 | (list (read-string "Options for diff: " | |
100 | (if (stringp diff-switches) | |
101 | diff-switches | |
102 | (mapconcat 'identity diff-switches " ")))) | |
103 | nil)) | |
104 | (diff-backup (dired-get-filename) switches)) | |
dd87891b | 105 | |
3659a2b8 | 106 | ;;;###autoload |
d1c553c8 RS |
107 | (defun dired-compare-directories (dir2 predicate) |
108 | "Mark files with different file attributes in two dired buffers. | |
109 | Compare file attributes of files in the current directory | |
110 | with file attributes in directory DIR2 using PREDICATE on pairs of files | |
111 | with the same name. Mark files for which PREDICATE returns non-nil. | |
999bd52a | 112 | Mark files with different names if PREDICATE is nil (or interactively |
3659a2b8 | 113 | with empty input at the predicate prompt). |
d1c553c8 RS |
114 | |
115 | PREDICATE is a Lisp expression that can refer to the following variables: | |
116 | ||
117 | size1, size2 - file size in bytes | |
118 | mtime1, mtime2 - last modification time in seconds, as a float | |
119 | fa1, fa2 - list of file attributes | |
120 | returned by function `file-attributes' | |
121 | ||
122 | where 1 refers to attribute of file in the current dired buffer | |
123 | and 2 to attribute of file in second dired buffer. | |
124 | ||
125 | Examples of PREDICATE: | |
126 | ||
127 | (> mtime1 mtime2) - mark newer files | |
128 | (not (= size1 size2)) - mark files with different sizes | |
129 | (not (string= (nth 8 fa1) (nth 8 fa2))) - mark files with different modes | |
130 | (not (and (= (nth 2 fa1) (nth 2 fa2)) - mark files with different UID | |
131 | (= (nth 3 fa1) (nth 3 fa2)))) and GID." | |
132 | (interactive | |
3659a2b8 JL |
133 | (list (read-directory-name (format "Compare %s with: " |
134 | (dired-current-directory)) | |
135 | (dired-dwim-target-directory) | |
136 | (dired-dwim-target-directory)) | |
999bd52a | 137 | (read-from-minibuffer "Mark if (lisp expr or RET): " nil nil t nil "nil"))) |
d1c553c8 RS |
138 | (let* ((dir1 (dired-current-directory)) |
139 | (file-alist1 (dired-files-attributes dir1)) | |
140 | (file-alist2 (dired-files-attributes dir2)) | |
5176af43 RS |
141 | file-list1 file-list2) |
142 | (setq file-alist1 (delq (assoc "." file-alist1) file-alist1)) | |
143 | (setq file-alist1 (delq (assoc ".." file-alist1) file-alist1)) | |
144 | (setq file-alist2 (delq (assoc "." file-alist2) file-alist2)) | |
145 | (setq file-alist2 (delq (assoc ".." file-alist2) file-alist2)) | |
146 | (setq file-list1 (mapcar | |
d1c553c8 RS |
147 | 'cadr |
148 | (dired-file-set-difference | |
149 | file-alist1 file-alist2 | |
5176af43 RS |
150 | predicate)) |
151 | file-list2 (mapcar | |
d1c553c8 RS |
152 | 'cadr |
153 | (dired-file-set-difference | |
154 | file-alist2 file-alist1 | |
5176af43 | 155 | predicate))) |
d1c553c8 RS |
156 | (dired-fun-in-all-buffers |
157 | dir1 nil | |
158 | (lambda () | |
159 | (dired-mark-if | |
160 | (member (dired-get-filename nil t) file-list1) nil))) | |
161 | (dired-fun-in-all-buffers | |
162 | dir2 nil | |
163 | (lambda () | |
164 | (dired-mark-if | |
165 | (member (dired-get-filename nil t) file-list2) nil))) | |
166 | (message "Marked in dir1: %s files, in dir2: %s files" | |
167 | (length file-list1) | |
168 | (length file-list2)))) | |
169 | ||
170 | (defun dired-file-set-difference (list1 list2 predicate) | |
171 | "Combine LIST1 and LIST2 using a set-difference operation. | |
172 | The result list contains all file items that appear in LIST1 but not LIST2. | |
173 | This is a non-destructive function; it makes a copy of the data if necessary | |
174 | to avoid corrupting the original LIST1 and LIST2. | |
175 | PREDICATE (see `dired-compare-directories') is an additional match | |
176 | condition. Two file items are considered to match if they are equal | |
177 | *and* PREDICATE evaluates to t." | |
178 | (if (or (null list1) (null list2)) | |
179 | list1 | |
180 | (let (res) | |
181 | (dolist (file1 list1) | |
182 | (unless (let ((list list2)) | |
183 | (while (and list | |
184 | (not (let* ((file2 (car list)) | |
9375be01 JPW |
185 | (fa1 (car (cddr file1))) |
186 | (fa2 (car (cddr file2))) | |
d1c553c8 RS |
187 | (size1 (nth 7 fa1)) |
188 | (size2 (nth 7 fa2)) | |
189 | (mtime1 (float-time (nth 5 fa1))) | |
190 | (mtime2 (float-time (nth 5 fa2)))) | |
191 | (and | |
192 | (equal (car file1) (car file2)) | |
193 | (not (eval predicate)))))) | |
194 | (setq list (cdr list))) | |
195 | list) | |
196 | (setq res (cons file1 res)))) | |
197 | (nreverse res)))) | |
198 | ||
199 | (defun dired-files-attributes (dir) | |
200 | "Return a list of all file names and attributes from DIR. | |
201 | List has a form of (file-name full-file-name (attribute-list))" | |
202 | (mapcar | |
203 | (lambda (file-name) | |
204 | (let ((full-file-name (expand-file-name file-name dir))) | |
205 | (list file-name | |
206 | full-file-name | |
207 | (file-attributes full-file-name)))) | |
208 | (directory-files dir))) | |
209 | \f | |
52f134ee JL |
210 | |
211 | (defun dired-touch-initial (files) | |
212 | "Create initial input value for `touch' command." | |
213 | (let (initial) | |
214 | (while files | |
215 | (let ((current (nth 5 (file-attributes (car files))))) | |
216 | (if (and initial (not (equal initial current))) | |
217 | (setq initial (current-time) files nil) | |
218 | (setq initial current)) | |
219 | (setq files (cdr files)))) | |
220 | (format-time-string "%Y%m%d%H%M.%S" initial))) | |
221 | ||
dd87891b | 222 | (defun dired-do-chxxx (attribute-name program op-symbol arg) |
3ccd3160 | 223 | ;; Change file attributes (mode, group, owner, timestamp) of marked files and |
dd87891b RS |
224 | ;; refresh their file lines. |
225 | ;; ATTRIBUTE-NAME is a string describing the attribute to the user. | |
226 | ;; PROGRAM is the program used to change the attribute. | |
227 | ;; OP-SYMBOL is the type of operation (for use in dired-mark-pop-up). | |
228 | ;; ARG describes which files to use, as in dired-get-marked-files. | |
229 | (let* ((files (dired-get-marked-files t arg)) | |
230 | (new-attribute | |
231 | (dired-mark-read-string | |
232 | (concat "Change " attribute-name " of %s to: ") | |
52f134ee JL |
233 | (if (eq op-symbol 'touch) (dired-touch-initial files)) |
234 | op-symbol arg files)) | |
dd87891b RS |
235 | (operation (concat program " " new-attribute)) |
236 | failures) | |
237 | (setq failures | |
238 | (dired-bunch-files 10000 | |
239 | (function dired-check-process) | |
edb8d73e | 240 | (append |
3ccd3160 JL |
241 | (list operation program) |
242 | (if (eq op-symbol 'touch) | |
243 | '("-t") nil) | |
244 | (list new-attribute) | |
05a455e2 RS |
245 | (if (string-match "gnu" system-configuration) |
246 | '("--") nil)) | |
dd87891b RS |
247 | files)) |
248 | (dired-do-redisplay arg);; moves point if ARG is an integer | |
249 | (if failures | |
250 | (dired-log-summary | |
251 | (format "%s: error" operation) | |
252 | nil)))) | |
253 | ||
254 | ;;;###autoload | |
255 | (defun dired-do-chmod (&optional arg) | |
256 | "Change the mode of the marked (or next ARG) files. | |
822b17d3 | 257 | Symbolic modes like `g+w' are allowed." |
dd87891b | 258 | (interactive "P") |
822b17d3 MC |
259 | (let* ((files (dired-get-marked-files t arg)) |
260 | (modes (dired-mark-read-string | |
261 | "Change mode of %s to: " nil | |
262 | 'chmod arg files)) | |
263 | (num-modes (if (string-match "^[0-7]+" modes) | |
264 | (string-to-number modes 8)))) | |
265 | (dolist (file files) | |
266 | (set-file-modes | |
267 | file | |
268 | (if num-modes num-modes | |
269 | (file-modes-symbolic-to-number modes (file-modes file))))) | |
270 | (dired-do-redisplay arg))) | |
dd87891b RS |
271 | |
272 | ;;;###autoload | |
273 | (defun dired-do-chgrp (&optional arg) | |
274 | "Change the group of the marked (or next ARG) files." | |
275 | (interactive "P") | |
a40dbafc | 276 | (if (memq system-type '(ms-dos windows-nt)) |
55535639 | 277 | (error "chgrp not supported on this system")) |
dd87891b RS |
278 | (dired-do-chxxx "Group" "chgrp" 'chgrp arg)) |
279 | ||
280 | ;;;###autoload | |
281 | (defun dired-do-chown (&optional arg) | |
282 | "Change the owner of the marked (or next ARG) files." | |
283 | (interactive "P") | |
a40dbafc | 284 | (if (memq system-type '(ms-dos windows-nt)) |
55535639 | 285 | (error "chown not supported on this system")) |
dd87891b RS |
286 | (dired-do-chxxx "Owner" dired-chown-program 'chown arg)) |
287 | ||
05dcf18a | 288 | ;;;###autoload |
3ccd3160 JL |
289 | (defun dired-do-touch (&optional arg) |
290 | "Change the timestamp of the marked (or next ARG) files. | |
291 | This calls touch." | |
292 | (interactive "P") | |
293 | (dired-do-chxxx "Timestamp" dired-touch-program 'touch arg)) | |
294 | ||
dd87891b RS |
295 | ;; Process all the files in FILES in batches of a convenient size, |
296 | ;; by means of (FUNCALL FUNCTION ARGS... SOME-FILES...). | |
297 | ;; Batches are chosen to need less than MAX chars for the file names, | |
298 | ;; allowing 3 extra characters of separator per file name. | |
299 | (defun dired-bunch-files (max function args files) | |
300 | (let (pending | |
e5369aad | 301 | past |
dd87891b RS |
302 | (pending-length 0) |
303 | failures) | |
304 | ;; Accumulate files as long as they fit in MAX chars, | |
305 | ;; then process the ones accumulated so far. | |
306 | (while files | |
307 | (let* ((thisfile (car files)) | |
308 | (thislength (+ (length thisfile) 3)) | |
309 | (rest (cdr files))) | |
310 | ;; If we have at least 1 pending file | |
311 | ;; and this file won't fit in the length limit, process now. | |
312 | (if (and pending (> (+ thislength pending-length) max)) | |
e5369aad RS |
313 | (setq pending (nreverse pending) |
314 | ;; The elements of PENDING are now in forward order. | |
315 | ;; Do the operation and record failures. | |
316 | failures (nconc (apply function (append args pending)) | |
317 | failures) | |
318 | ;; Transfer the elemens of PENDING onto PAST | |
319 | ;; and clear it out. Now PAST contains the first N files | |
320 | ;; specified (for some N), and FILES contains the rest. | |
321 | past (nconc past pending) | |
dd87891b RS |
322 | pending nil |
323 | pending-length 0)) | |
324 | ;; Do (setq pending (cons thisfile pending)) | |
325 | ;; but reuse the cons that was in `files'. | |
326 | (setcdr files pending) | |
327 | (setq pending files) | |
328 | (setq pending-length (+ thislength pending-length)) | |
329 | (setq files rest))) | |
e5369aad RS |
330 | (setq pending (nreverse pending)) |
331 | (prog1 | |
332 | (nconc (apply function (append args pending)) | |
333 | failures) | |
334 | ;; Now the original list FILES has been put back as it was. | |
335 | (nconc past pending)))) | |
dd87891b RS |
336 | |
337 | ;;;###autoload | |
338 | (defun dired-do-print (&optional arg) | |
339 | "Print the marked (or next ARG) files. | |
340 | Uses the shell command coming from variables `lpr-command' and | |
341 | `lpr-switches' as default." | |
342 | (interactive "P") | |
343 | (let* ((file-list (dired-get-marked-files t arg)) | |
344 | (command (dired-mark-read-string | |
345 | "Print %s with: " | |
c572e732 RS |
346 | (mapconcat 'identity |
347 | (cons lpr-command | |
348 | (if (stringp lpr-switches) | |
349 | (list lpr-switches) | |
350 | lpr-switches)) | |
351 | " ") | |
dd87891b RS |
352 | 'print arg file-list))) |
353 | (dired-run-shell-command (dired-shell-stuff-it command file-list nil)))) | |
354 | ||
355 | ;; Read arguments for a marked-files command that wants a string | |
356 | ;; that is not a file name, | |
357 | ;; perhaps popping up the list of marked files. | |
358 | ;; ARG is the prefix arg and indicates whether the files came from | |
359 | ;; marks (ARG=nil) or a repeat factor (integerp ARG). | |
360 | ;; If the current file was used, the list has but one element and ARG | |
361 | ;; does not matter. (It is non-nil, non-integer in that case, namely '(4)). | |
362 | ||
363 | (defun dired-mark-read-string (prompt initial op-symbol arg files) | |
364 | ;; PROMPT for a string, with INITIAL input. | |
365 | ;; Other args are used to give user feedback and pop-up: | |
366 | ;; OP-SYMBOL of command, prefix ARG, marked FILES. | |
367 | (dired-mark-pop-up | |
368 | nil op-symbol files | |
369 | (function read-string) | |
370 | (format prompt (dired-mark-prompt arg files)) initial)) | |
83fadedf | 371 | \f |
2d051399 RS |
372 | ;;; Cleaning a directory: flagging some backups for deletion. |
373 | ||
6482fcac RS |
374 | (defvar dired-file-version-alist) |
375 | ||
05dcf18a | 376 | ;;;###autoload |
2d051399 RS |
377 | (defun dired-clean-directory (keep) |
378 | "Flag numerical backups for deletion. | |
379 | Spares `dired-kept-versions' latest versions, and `kept-old-versions' oldest. | |
380 | Positive prefix arg KEEP overrides `dired-kept-versions'; | |
381 | Negative prefix arg KEEP overrides `kept-old-versions' with KEEP made positive. | |
382 | ||
383 | To clear the flags on these files, you can use \\[dired-flag-backup-files] | |
384 | with a prefix argument." | |
385 | (interactive "P") | |
386 | (setq keep (if keep (prefix-numeric-value keep) dired-kept-versions)) | |
387 | (let ((early-retention (if (< keep 0) (- keep) kept-old-versions)) | |
388 | (late-retention (if (<= keep 0) dired-kept-versions keep)) | |
389 | (dired-file-version-alist ())) | |
390 | (message "Cleaning numerical backups (keeping %d late, %d old)..." | |
391 | late-retention early-retention) | |
392 | ;; Look at each file. | |
393 | ;; If the file has numeric backup versions, | |
394 | ;; put on dired-file-version-alist an element of the form | |
395 | ;; (FILENAME . VERSION-NUMBER-LIST) | |
396 | (dired-map-dired-file-lines (function dired-collect-file-versions)) | |
397 | ;; Sort each VERSION-NUMBER-LIST, | |
398 | ;; and remove the versions not to be deleted. | |
399 | (let ((fval dired-file-version-alist)) | |
400 | (while fval | |
401 | (let* ((sorted-v-list (cons 'q (sort (cdr (car fval)) '<))) | |
402 | (v-count (length sorted-v-list))) | |
403 | (if (> v-count (+ early-retention late-retention)) | |
404 | (rplacd (nthcdr early-retention sorted-v-list) | |
405 | (nthcdr (- v-count late-retention) | |
406 | sorted-v-list))) | |
407 | (rplacd (car fval) | |
408 | (cdr sorted-v-list))) | |
409 | (setq fval (cdr fval)))) | |
410 | ;; Look at each file. If it is a numeric backup file, | |
411 | ;; find it in a VERSION-NUMBER-LIST and maybe flag it for deletion. | |
412 | (dired-map-dired-file-lines (function dired-trample-file-versions)) | |
413 | (message "Cleaning numerical backups...done"))) | |
414 | ||
415 | ;;; Subroutines of dired-clean-directory. | |
416 | ||
417 | (defun dired-map-dired-file-lines (fun) | |
418 | ;; Perform FUN with point at the end of each non-directory line. | |
57dabf6b | 419 | ;; FUN takes one argument, the absolute filename. |
2d051399 RS |
420 | (save-excursion |
421 | (let (file buffer-read-only) | |
422 | (goto-char (point-min)) | |
423 | (while (not (eobp)) | |
424 | (save-excursion | |
425 | (and (not (looking-at dired-re-dir)) | |
426 | (not (eolp)) | |
427 | (setq file (dired-get-filename nil t)) ; nil on non-file | |
428 | (progn (end-of-line) | |
429 | (funcall fun file)))) | |
430 | (forward-line 1))))) | |
431 | ||
432 | (defun dired-collect-file-versions (fn) | |
61c6f873 RS |
433 | (let ((fn (file-name-sans-versions fn))) |
434 | ;; Only do work if this file is not already in the alist. | |
435 | (if (assoc fn dired-file-version-alist) | |
436 | nil | |
437 | ;; If it looks like file FN has versions, return a list of the versions. | |
438 | ;;That is a list of strings which are file names. | |
f9acc7fb | 439 | ;;The caller may want to flag some of these files for deletion. |
61c6f873 RS |
440 | (let* ((base-versions |
441 | (concat (file-name-nondirectory fn) ".~")) | |
afbd0a53 | 442 | (backup-extract-version-start (length base-versions)) |
61c6f873 RS |
443 | (possibilities (file-name-all-completions |
444 | base-versions | |
445 | (file-name-directory fn))) | |
446 | (versions (mapcar 'backup-extract-version possibilities))) | |
447 | (if versions | |
448 | (setq dired-file-version-alist | |
449 | (cons (cons fn versions) | |
450 | dired-file-version-alist))))))) | |
2d051399 RS |
451 | |
452 | (defun dired-trample-file-versions (fn) | |
453 | (let* ((start-vn (string-match "\\.~[0-9]+~$" fn)) | |
454 | base-version-list) | |
455 | (and start-vn | |
456 | (setq base-version-list ; there was a base version to which | |
457 | (assoc (substring fn 0 start-vn) ; this looks like a | |
458 | dired-file-version-alist)) ; subversion | |
027a4b6b | 459 | (not (memq (string-to-number (substring fn (+ 2 start-vn))) |
2d051399 RS |
460 | base-version-list)) ; this one doesn't make the cut |
461 | (progn (beginning-of-line) | |
462 | (delete-char 1) | |
463 | (insert dired-del-marker))))) | |
83fadedf | 464 | \f |
dd87891b | 465 | ;;; Shell commands |
dd87891b | 466 | |
0d461c86 GM |
467 | (declare-function mailcap-parse-mailcaps "mailcap" (&optional path force)) |
468 | (declare-function mailcap-parse-mimetypes "mailcap" (&optional path force)) | |
469 | (declare-function mailcap-extension-to-mime "mailcap" (extn)) | |
470 | (declare-function mailcap-mime-info "mailcap" | |
471 | (string &optional request no-decode)) | |
8e845e23 | 472 | |
2f8a5963 JL |
473 | (defun dired-read-shell-command-default (files) |
474 | "Return a list of default commands for `dired-read-shell-command'." | |
475 | (require 'mailcap) | |
476 | (mailcap-parse-mailcaps) | |
477 | (mailcap-parse-mimetypes) | |
478 | (let* ((all-mime-type | |
479 | ;; All unique MIME types from file extensions | |
480 | (delete-dups (mapcar (lambda (file) | |
481 | (mailcap-extension-to-mime | |
482 | (file-name-extension file t))) | |
483 | files))) | |
484 | (all-mime-info | |
485 | ;; All MIME info lists | |
486 | (delete-dups (mapcar (lambda (mime-type) | |
487 | (mailcap-mime-info mime-type 'all)) | |
488 | all-mime-type))) | |
489 | (common-mime-info | |
490 | ;; Intersection of mime-infos from different mime-types; | |
491 | ;; or just the first MIME info for a single MIME type | |
492 | (if (cdr all-mime-info) | |
493 | (delq nil (mapcar (lambda (mi1) | |
494 | (unless (memq nil (mapcar | |
495 | (lambda (mi2) | |
496 | (member mi1 mi2)) | |
497 | (cdr all-mime-info))) | |
498 | mi1)) | |
499 | (car all-mime-info))) | |
500 | (car all-mime-info))) | |
501 | (commands | |
502 | ;; Command strings from `viewer' field of the MIME info | |
503 | (delq nil (mapcar (lambda (mime-info) | |
504 | (let ((command (cdr (assoc 'viewer mime-info)))) | |
505 | (if (stringp command) | |
506 | (replace-regexp-in-string | |
507 | ;; Replace mailcap's `%s' placeholder | |
508 | ;; with dired's `?' placeholder | |
509 | "%s" "?" | |
510 | (replace-regexp-in-string | |
511 | ;; Remove the final filename placeholder | |
512 | "\s*\\('\\)?%s\\1?\s*\\'" "" command nil t) | |
513 | nil t)))) | |
514 | common-mime-info)))) | |
515 | commands)) | |
516 | ||
1906dec4 | 517 | ;; This is an extra function so that you can redefine it, e.g., to use gmhist. |
dd87891b | 518 | (defun dired-read-shell-command (prompt arg files) |
1906dec4 SM |
519 | "Read a dired shell command prompting with PROMPT (using read-string). |
520 | ARG is the prefix arg and may be used to indicate in the prompt which | |
521 | FILES are affected." | |
dd87891b RS |
522 | (dired-mark-pop-up |
523 | nil 'shell files | |
1906dec4 | 524 | #'read-shell-command |
91b3bb19 | 525 | (format prompt (dired-mark-prompt arg files)) |
1906dec4 | 526 | nil nil |
2f8a5963 | 527 | (dired-read-shell-command-default files))) |
dd87891b RS |
528 | |
529 | ;; The in-background argument is only needed in Emacs 18 where | |
530 | ;; shell-command doesn't understand an appended ampersand `&'. | |
531 | ;;;###autoload | |
01db6210 | 532 | (defun dired-do-shell-command (command &optional arg file-list) |
6482fcac RS |
533 | "Run a shell command COMMAND on the marked files. |
534 | If no files are marked or a specific numeric prefix arg is given, | |
535 | the next ARG files are used. Just \\[universal-argument] means the current file. | |
536 | The prompt mentions the file(s) or the marker, as appropriate. | |
537 | ||
eab9ed67 RS |
538 | If there is a `*' in COMMAND, surrounded by whitespace, this runs |
539 | COMMAND just once with the entire file list substituted there. | |
6482fcac | 540 | |
eab9ed67 RS |
541 | If there is no `*', but there is a `?' in COMMAND, surrounded by |
542 | whitespace, this runs COMMAND on each file individually with the | |
543 | file name substituted for `?'. | |
dd87891b | 544 | |
eab9ed67 RS |
545 | Otherwise, this runs COMMAND on each file individually with the |
546 | file name added at the end of COMMAND (separated by a space). | |
d984dbc1 | 547 | |
eab9ed67 RS |
548 | `*' and `?' when not surrounded by whitespace have no special |
549 | significance for `dired-do-shell-command', and are passed through | |
550 | normally to the shell, but you must confirm first. To pass `*' by | |
b544496d | 551 | itself to the shell as a wildcard, type `*\"\"'. |
dd87891b | 552 | |
eab9ed67 RS |
553 | If COMMAND produces output, it goes to a separate buffer. |
554 | ||
555 | This feature does not try to redisplay Dired buffers afterward, as | |
556 | there's no telling what files COMMAND may have changed. | |
557 | Type \\[dired-do-redisplay] to redisplay the marked files. | |
558 | ||
559 | When COMMAND runs, its working directory is the top-level directory of | |
560 | the Dired buffer, so output files usually are created there instead of | |
561 | in a subdir. | |
9e545350 KH |
562 | |
563 | In a noninteractive call (from Lisp code), you must specify | |
40c50be3 EZ |
564 | the list of file names explicitly with the FILE-LIST argument, which |
565 | can be produced by `dired-get-marked-files', for example." | |
dd87891b RS |
566 | ;;Functions dired-run-shell-command and dired-shell-stuff-it do the |
567 | ;;actual work and can be redefined for customization. | |
01db6210 RS |
568 | (interactive |
569 | (let ((files (dired-get-marked-files t current-prefix-arg))) | |
570 | (list | |
571 | ;; Want to give feedback whether this file or marked files are used: | |
572 | (dired-read-shell-command (concat "! on " | |
573 | "%s: ") | |
574 | current-prefix-arg | |
575 | files) | |
576 | current-prefix-arg | |
577 | files))) | |
edb8d73e FP |
578 | (let* ((on-each (not (string-match dired-star-subst-regexp command))) |
579 | (subst (not (string-match dired-quark-subst-regexp command))) | |
eab9ed67 RS |
580 | (star (not (string-match "\\*" command))) |
581 | (qmark (not (string-match "\\?" command)))) | |
582 | ;; Get confirmation for wildcards that may have been meant | |
583 | ;; to control substitution of a file name or the file name list. | |
edb8d73e FP |
584 | (if (cond ((not (or on-each subst)) |
585 | (error "You can not combine `*' and `?' substitution marks")) | |
586 | ((and star (not on-each)) | |
eab9ed67 RS |
587 | (y-or-n-p "Confirm--do you mean to use `*' as a wildcard? ")) |
588 | ((and qmark (not subst)) | |
589 | (y-or-n-p "Confirm--do you mean to use `?' as a wildcard? ")) | |
590 | (t)) | |
591 | (if on-each | |
592 | (dired-bunch-files | |
593 | (- 10000 (length command)) | |
594 | (function (lambda (&rest files) | |
595 | (dired-run-shell-command | |
596 | (dired-shell-stuff-it command files t arg)))) | |
597 | nil | |
598 | file-list) | |
599 | ;; execute the shell command | |
600 | (dired-run-shell-command | |
601 | (dired-shell-stuff-it command file-list nil arg)))))) | |
dd87891b RS |
602 | |
603 | ;; Might use {,} for bash or csh: | |
604 | (defvar dired-mark-prefix "" | |
605 | "Prepended to marked files in dired shell commands.") | |
606 | (defvar dired-mark-postfix "" | |
607 | "Appended to marked files in dired shell commands.") | |
608 | (defvar dired-mark-separator " " | |
609 | "Separates marked files in dired shell commands.") | |
610 | ||
611 | (defun dired-shell-stuff-it (command file-list on-each &optional raw-arg) | |
612 | ;; "Make up a shell command line from COMMAND and FILE-LIST. | |
613 | ;; If ON-EACH is t, COMMAND should be applied to each file, else | |
614 | ;; simply concat all files and apply COMMAND to this. | |
615 | ;; FILE-LIST's elements will be quoted for the shell." | |
616 | ;; Might be redefined for smarter things and could then use RAW-ARG | |
617 | ;; (coming from interactive P and currently ignored) to decide what to do. | |
618 | ;; Smart would be a way to access basename or extension of file names. | |
dd87891b | 619 | (let ((stuff-it |
edb8d73e FP |
620 | (if (or (string-match dired-star-subst-regexp command) |
621 | (string-match dired-quark-subst-regexp command)) | |
622 | (lambda (x) | |
623 | (let ((retval command)) | |
624 | (while (string-match | |
625 | "\\(^\\|[ \t]\\)\\([*?]\\)\\([ \t]\\|$\\)" retval) | |
626 | (setq retval (replace-match x t t retval 2))) | |
627 | retval)) | |
628 | (lambda (x) (concat command dired-mark-separator x))))) | |
dd87891b | 629 | (if on-each |
9a79e9ae | 630 | (mapconcat stuff-it (mapcar 'shell-quote-argument file-list) ";") |
eab9ed67 RS |
631 | (let ((files (mapconcat 'shell-quote-argument |
632 | file-list dired-mark-separator))) | |
dd87891b | 633 | (if (> (length file-list) 1) |
eab9ed67 RS |
634 | (setq files (concat dired-mark-prefix files dired-mark-postfix))) |
635 | (funcall stuff-it files))))) | |
dd87891b RS |
636 | |
637 | ;; This is an extra function so that it can be redefined by ange-ftp. | |
05dcf18a | 638 | ;;;###autoload |
6482fcac | 639 | (defun dired-run-shell-command (command) |
95ffcc7f DL |
640 | (let ((handler |
641 | (find-file-name-handler (directory-file-name default-directory) | |
642 | 'shell-command))) | |
643 | (if handler (apply handler 'shell-command (list command)) | |
644 | (shell-command command))) | |
6482fcac RS |
645 | ;; Return nil for sake of nconc in dired-bunch-files. |
646 | nil) | |
83fadedf | 647 | \f |
dd87891b RS |
648 | |
649 | (defun dired-check-process (msg program &rest arguments) | |
650 | ; "Display MSG while running PROGRAM, and check for output. | |
651 | ;Remaining arguments are strings passed as command arguments to PROGRAM. | |
652 | ; On error, insert output | |
653 | ; in a log buffer and return the offending ARGUMENTS or PROGRAM. | |
654 | ; Caller can cons up a list of failed args. | |
655 | ;Else returns nil for success." | |
656 | (let (err-buffer err (dir default-directory)) | |
657 | (message "%s..." msg) | |
658 | (save-excursion | |
659 | ;; Get a clean buffer for error output: | |
660 | (setq err-buffer (get-buffer-create " *dired-check-process output*")) | |
661 | (set-buffer err-buffer) | |
662 | (erase-buffer) | |
663 | (setq default-directory dir ; caller's default-directory | |
4a725859 | 664 | err (not (eq 0 (apply 'process-file program nil t nil arguments)))) |
dd87891b RS |
665 | (if err |
666 | (progn | |
667 | (dired-log (concat program " " (prin1-to-string arguments) "\n")) | |
668 | (dired-log err-buffer) | |
669 | (or arguments program t)) | |
670 | (kill-buffer err-buffer) | |
671 | (message "%s...done" msg) | |
672 | nil)))) | |
83fadedf | 673 | \f |
dd87891b RS |
674 | ;; Commands that delete or redisplay part of the dired buffer. |
675 | ||
dd87891b RS |
676 | (defun dired-kill-line (&optional arg) |
677 | (interactive "P") | |
678 | (setq arg (prefix-numeric-value arg)) | |
679 | (let (buffer-read-only file) | |
680 | (while (/= 0 arg) | |
681 | (setq file (dired-get-filename nil t)) | |
682 | (if (not file) | |
55535639 | 683 | (error "Can only kill file lines") |
dd87891b RS |
684 | (save-excursion (and file |
685 | (dired-goto-subdir file) | |
686 | (dired-kill-subdir))) | |
687 | (delete-region (progn (beginning-of-line) (point)) | |
688 | (progn (forward-line 1) (point))) | |
689 | (if (> arg 0) | |
690 | (setq arg (1- arg)) | |
691 | (setq arg (1+ arg)) | |
692 | (forward-line -1)))) | |
693 | (dired-move-to-filename))) | |
694 | ||
695 | ;;;###autoload | |
696 | (defun dired-do-kill-lines (&optional arg fmt) | |
697 | "Kill all marked lines (not the files). | |
6482fcac | 698 | With a prefix argument, kill that many lines starting with the current line. |
769d9ed6 LT |
699 | \(A negative argument kills backward.) |
700 | If you use this command with a prefix argument to kill the line | |
701 | for a file that is a directory, which you have inserted in the | |
702 | Dired buffer as a subdirectory, then it deletes that subdirectory | |
703 | from the buffer as well. | |
704 | To kill an entire subdirectory \(without killing its line in the | |
705 | parent directory), go to its directory header line and use this | |
706 | command with a prefix argument (the value does not matter)." | |
dd87891b RS |
707 | ;; Returns count of killed lines. FMT="" suppresses message. |
708 | (interactive "P") | |
6482fcac RS |
709 | (if arg |
710 | (if (dired-get-subdir) | |
711 | (dired-kill-subdir) | |
712 | (dired-kill-line arg)) | |
713 | (save-excursion | |
714 | (goto-char (point-min)) | |
769d9ed6 LT |
715 | (let (buffer-read-only |
716 | (count 0) | |
717 | (regexp (dired-marker-regexp))) | |
718 | (while (and (not (eobp)) | |
719 | (re-search-forward regexp nil t)) | |
720 | (setq count (1+ count)) | |
721 | (delete-region (progn (beginning-of-line) (point)) | |
722 | (progn (forward-line 1) (point)))) | |
6482fcac RS |
723 | (or (equal "" fmt) |
724 | (message (or fmt "Killed %d line%s.") count (dired-plural-s count))) | |
725 | count)))) | |
dd87891b RS |
726 | |
727 | ;;;###end dired-cmd.el | |
83fadedf | 728 | \f |
dd87891b RS |
729 | ;;; 30K |
730 | ;;;###begin dired-cp.el | |
731 | ||
732 | (defun dired-compress () | |
733 | ;; Compress or uncompress the current file. | |
734 | ;; Return nil for success, offending filename else. | |
735 | (let* (buffer-read-only | |
bfe81e78 RS |
736 | (from-file (dired-get-filename)) |
737 | (new-file (dired-compress-file from-file))) | |
738 | (if new-file | |
53a05194 RS |
739 | (let ((start (point))) |
740 | ;; Remove any preexisting entry for the name NEW-FILE. | |
741 | (condition-case nil | |
742 | (dired-remove-entry new-file) | |
743 | (error nil)) | |
744 | (goto-char start) | |
745 | ;; Now replace the current line with an entry for NEW-FILE. | |
746 | (dired-update-file-line new-file) nil) | |
bfe81e78 RS |
747 | (dired-log (concat "Failed to compress" from-file)) |
748 | from-file))) | |
749 | ||
077d5283 RS |
750 | (defvar dired-compress-file-suffixes |
751 | '(("\\.gz\\'" "" "gunzip") | |
752 | ("\\.tgz\\'" ".tar" "gunzip") | |
753 | ("\\.Z\\'" "" "uncompress") | |
754 | ;; For .z, try gunzip. It might be an old gzip file, | |
755 | ;; or it might be from compact? pack? (which?) but gunzip handles both. | |
756 | ("\\.z\\'" "" "gunzip") | |
999bd52a JL |
757 | ("\\.dz\\'" "" "dictunzip") |
758 | ("\\.tbz\\'" ".tar" "bunzip2") | |
2d938ce7 | 759 | ("\\.bz2\\'" "" "bunzip2") |
077d5283 RS |
760 | ;; This item controls naming for compression. |
761 | ("\\.tar\\'" ".tgz" nil)) | |
762 | "Control changes in file name suffixes for compression and uncompression. | |
763 | Each element specifies one transformation rule, and has the form: | |
764 | (REGEXP NEW-SUFFIX PROGRAM) | |
765 | The rule applies when the old file name matches REGEXP. | |
766 | The new file name is computed by deleting the part that matches REGEXP | |
767 | (as well as anything after that), then adding NEW-SUFFIX in its place. | |
768 | If PROGRAM is non-nil, the rule is an uncompression rule, | |
769 | and uncompression is done by running PROGRAM. | |
770 | Otherwise, the rule is a compression rule, and compression is done with gzip.") | |
771 | ||
d443f37c | 772 | ;;;###autoload |
bfe81e78 RS |
773 | (defun dired-compress-file (file) |
774 | ;; Compress or uncompress FILE. | |
775 | ;; Return the name of the compressed or uncompressed file. | |
eb8c3be9 | 776 | ;; Return nil if no change in files. |
077d5283 RS |
777 | (let ((handler (find-file-name-handler file 'dired-compress-file)) |
778 | suffix newname | |
779 | (suffixes dired-compress-file-suffixes)) | |
780 | ;; See if any suffix rule matches this file name. | |
781 | (while suffixes | |
782 | (let (case-fold-search) | |
783 | (if (string-match (car (car suffixes)) file) | |
784 | (setq suffix (car suffixes) suffixes nil)) | |
785 | (setq suffixes (cdr suffixes)))) | |
786 | ;; If so, compute desired new name. | |
edb8d73e | 787 | (if suffix |
077d5283 RS |
788 | (setq newname (concat (substring file 0 (match-beginning 0)) |
789 | (nth 1 suffix)))) | |
bfe81e78 RS |
790 | (cond (handler |
791 | (funcall handler 'dired-compress-file file)) | |
792 | ((file-symlink-p file) | |
793 | nil) | |
077d5283 RS |
794 | ((and suffix (nth 2 suffix)) |
795 | ;; We found an uncompression rule. | |
53a05194 | 796 | (if (not (dired-check-process (concat "Uncompressing " file) |
077d5283 RS |
797 | (nth 2 suffix) file)) |
798 | newname)) | |
dd87891b | 799 | (t |
077d5283 | 800 | ;;; We don't recognize the file as compressed, so compress it. |
e251a1fd RS |
801 | ;;; Try gzip; if we don't have that, use compress. |
802 | (condition-case nil | |
c8068734 CY |
803 | (let ((out-name (concat file ".gz"))) |
804 | (and (or (not (file-exists-p out-name)) | |
805 | (y-or-n-p | |
806 | (format "File %s already exists. Really compress? " | |
807 | out-name))) | |
808 | (not (dired-check-process (concat "Compressing " file) | |
809 | "gzip" "-f" file)) | |
810 | (or (file-exists-p out-name) | |
811 | (setq out-name (concat file ".z"))) | |
812 | ;; Rename the compressed file to NEWNAME | |
813 | ;; if it hasn't got that name already. | |
814 | (if (and newname (not (equal newname out-name))) | |
815 | (progn | |
816 | (rename-file out-name newname t) | |
817 | newname) | |
818 | out-name))) | |
e251a1fd RS |
819 | (file-error |
820 | (if (not (dired-check-process (concat "Compressing " file) | |
821 | "compress" "-f" file)) | |
077d5283 | 822 | ;; Don't use NEWNAME with `compress'. |
e251a1fd | 823 | (concat file ".Z")))))))) |
83fadedf | 824 | \f |
dd87891b RS |
825 | (defun dired-mark-confirm (op-symbol arg) |
826 | ;; Request confirmation from the user that the operation described | |
827 | ;; by OP-SYMBOL is to be performed on the marked files. | |
828 | ;; Confirmation consists in a y-or-n question with a file list | |
829 | ;; pop-up unless OP-SYMBOL is a member of `dired-no-confirm'. | |
830 | ;; The files used are determined by ARG (as in dired-get-marked-files). | |
7baff557 SM |
831 | (or (eq dired-no-confirm t) |
832 | (memq op-symbol dired-no-confirm) | |
c232fd12 RS |
833 | ;; Pass t for DISTINGUISH-ONE-MARKED so that a single file which |
834 | ;; is marked pops up a window. That will help the user see | |
835 | ;; it isn't the current line file. | |
836 | (let ((files (dired-get-marked-files t arg nil t)) | |
2de735de RS |
837 | (string (if (eq op-symbol 'compress) "Compress or uncompress" |
838 | (capitalize (symbol-name op-symbol))))) | |
dd87891b | 839 | (dired-mark-pop-up nil op-symbol files (function y-or-n-p) |
2de735de | 840 | (concat string " " |
dd87891b RS |
841 | (dired-mark-prompt arg files) "? "))))) |
842 | ||
843 | (defun dired-map-over-marks-check (fun arg op-symbol &optional show-progress) | |
844 | ; "Map FUN over marked files (with second ARG like in dired-map-over-marks) | |
845 | ; and display failures. | |
846 | ||
847 | ; FUN takes zero args. It returns non-nil (the offending object, e.g. | |
848 | ; the short form of the filename) for a failure and probably logs a | |
849 | ; detailed error explanation using function `dired-log'. | |
850 | ||
851 | ; OP-SYMBOL is a symbol describing the operation performed (e.g. | |
852 | ; `compress'). It is used with `dired-mark-pop-up' to prompt the user | |
853 | ; (e.g. with `Compress * [2 files]? ') and to display errors (e.g. | |
854 | ; `Failed to compress 1 of 2 files - type W to see why ("foo")') | |
855 | ||
856 | ; SHOW-PROGRESS if non-nil means redisplay dired after each file." | |
857 | (if (dired-mark-confirm op-symbol arg) | |
858 | (let* ((total-list;; all of FUN's return values | |
859 | (dired-map-over-marks (funcall fun) arg show-progress)) | |
860 | (total (length total-list)) | |
861 | (failures (delq nil total-list)) | |
2de735de RS |
862 | (count (length failures)) |
863 | (string (if (eq op-symbol 'compress) "Compress or uncompress" | |
864 | (capitalize (symbol-name op-symbol))))) | |
dd87891b RS |
865 | (if (not failures) |
866 | (message "%s: %d file%s." | |
2de735de | 867 | string total (dired-plural-s total)) |
dd87891b RS |
868 | ;; end this bunch of errors: |
869 | (dired-log-summary | |
870 | (format "Failed to %s %d of %d file%s" | |
2de735de | 871 | (downcase string) count total (dired-plural-s total)) |
dd87891b RS |
872 | failures))))) |
873 | ||
874 | (defvar dired-query-alist | |
875 | '((?\y . y) (?\040 . y) ; `y' or SPC means accept once | |
876 | (?n . n) (?\177 . n) ; `n' or DEL skips once | |
877 | (?! . yes) ; `!' accepts rest | |
573743d2 | 878 | (?q . no) (?\e . no) ; `q' or ESC skips rest |
dd87891b RS |
879 | ;; None of these keys quit - use C-g for that. |
880 | )) | |
881 | ||
05dcf18a | 882 | ;;;###autoload |
dd87891b RS |
883 | (defun dired-query (qs-var qs-prompt &rest qs-args) |
884 | ;; Query user and return nil or t. | |
885 | ;; Store answer in symbol VAR (which must initially be bound to nil). | |
886 | ;; Format PROMPT with ARGS. | |
c3aef019 | 887 | ;; Binding variable help-form will help the user who types the help key. |
dd87891b RS |
888 | (let* ((char (symbol-value qs-var)) |
889 | (action (cdr (assoc char dired-query-alist)))) | |
890 | (cond ((eq 'yes action) | |
891 | t) ; accept, and don't ask again | |
892 | ((eq 'no action) | |
893 | nil) ; skip, and don't ask again | |
894 | (t;; no lasting effects from last time we asked - ask now | |
895 | (let ((qprompt (concat qs-prompt | |
896 | (if help-form | |
897 | (format " [Type yn!q or %s] " | |
898 | (key-description | |
899 | (char-to-string help-char))) | |
900 | " [Type y, n, q or !] "))) | |
901 | result elt) | |
902 | ;; Actually it looks nicer without cursor-in-echo-area - you can | |
903 | ;; look at the dired buffer instead of at the prompt to decide. | |
904 | (apply 'message qprompt qs-args) | |
905 | (setq char (set qs-var (read-char))) | |
906 | (while (not (setq elt (assoc char dired-query-alist))) | |
907 | (message "Invalid char - type %c for help." help-char) | |
908 | (ding) | |
909 | (sit-for 1) | |
910 | (apply 'message qprompt qs-args) | |
911 | (setq char (set qs-var (read-char)))) | |
de5544e8 | 912 | ;; Display the question with the answer. |
8a26c165 | 913 | (message "%s" (concat (apply 'format qprompt qs-args) |
de5544e8 | 914 | (char-to-string char))) |
dd87891b | 915 | (memq (cdr elt) '(t y yes))))))) |
83fadedf | 916 | \f |
dd87891b RS |
917 | ;;;###autoload |
918 | (defun dired-do-compress (&optional arg) | |
919 | "Compress or uncompress marked (or next ARG) files." | |
920 | (interactive "P") | |
921 | (dired-map-over-marks-check (function dired-compress) arg 'compress t)) | |
922 | ||
923 | ;; Commands for Emacs Lisp files - load and byte compile | |
924 | ||
925 | (defun dired-byte-compile () | |
926 | ;; Return nil for success, offending file name else. | |
927 | (let* ((filename (dired-get-filename)) | |
123ec94d | 928 | elc-file buffer-read-only failure) |
dd87891b RS |
929 | (condition-case err |
930 | (save-excursion (byte-compile-file filename)) | |
931 | (error | |
932 | (setq failure err))) | |
123ec94d | 933 | (setq elc-file (byte-compile-dest-file filename)) |
d5b876ef RS |
934 | (or (file-exists-p elc-file) |
935 | (setq failure t)) | |
dd87891b RS |
936 | (if failure |
937 | (progn | |
938 | (dired-log "Byte compile error for %s:\n%s\n" filename failure) | |
939 | (dired-make-relative filename)) | |
940 | (dired-remove-file elc-file) | |
941 | (forward-line) ; insert .elc after its .el file | |
942 | (dired-add-file elc-file) | |
943 | nil))) | |
944 | ||
945 | ;;;###autoload | |
946 | (defun dired-do-byte-compile (&optional arg) | |
947 | "Byte compile marked (or next ARG) Emacs Lisp files." | |
948 | (interactive "P") | |
949 | (dired-map-over-marks-check (function dired-byte-compile) arg 'byte-compile t)) | |
950 | ||
951 | (defun dired-load () | |
952 | ;; Return nil for success, offending file name else. | |
953 | (let ((file (dired-get-filename)) failure) | |
954 | (condition-case err | |
955 | (load file nil nil t) | |
956 | (error (setq failure err))) | |
957 | (if (not failure) | |
958 | nil | |
959 | (dired-log "Load error for %s:\n%s\n" file failure) | |
960 | (dired-make-relative file)))) | |
961 | ||
962 | ;;;###autoload | |
963 | (defun dired-do-load (&optional arg) | |
964 | "Load the marked (or next ARG) Emacs Lisp files." | |
965 | (interactive "P") | |
966 | (dired-map-over-marks-check (function dired-load) arg 'load t)) | |
967 | ||
968 | ;;;###autoload | |
969 | (defun dired-do-redisplay (&optional arg test-for-subdir) | |
970 | "Redisplay all marked (or next ARG) files. | |
971 | If on a subdir line, redisplay that subdirectory. In that case, | |
79d123ad LT |
972 | a prefix arg lets you edit the `ls' switches used for the new listing. |
973 | ||
974 | Dired remembers switches specified with a prefix arg, so that reverting | |
975 | the buffer will not reset them. However, using `dired-undo' to re-insert | |
976 | or delete subdirectories can bypass this machinery. Hence, you sometimes | |
977 | may have to reset some subdirectory switches after a `dired-undo'. | |
978 | You can reset all subdirectory switches to the default using | |
fad9e9b4 | 979 | \\<dired-mode-map>\\[dired-reset-subdir-switches]. |
098c61f2 | 980 | See Info node `(emacs)Subdir switches' for more details." |
dd87891b RS |
981 | ;; Moves point if the next ARG files are redisplayed. |
982 | (interactive "P\np") | |
983 | (if (and test-for-subdir (dired-get-subdir)) | |
f2260f48 LT |
984 | (let* ((dir (dired-get-subdir)) |
985 | (switches (cdr (assoc-string dir dired-switches-alist)))) | |
986 | (dired-insert-subdir | |
987 | dir | |
988 | (when arg | |
989 | (read-string "Switches for listing: " | |
990 | (or switches | |
991 | dired-subdir-switches | |
992 | dired-actual-switches))))) | |
dd87891b RS |
993 | (message "Redisplaying...") |
994 | ;; message much faster than making dired-map-over-marks show progress | |
00aa3651 RS |
995 | (dired-uncache |
996 | (if (consp dired-directory) (car dired-directory) dired-directory)) | |
dd87891b RS |
997 | (dired-map-over-marks (let ((fname (dired-get-filename))) |
998 | (message "Redisplaying... %s" fname) | |
999 | (dired-update-file-line fname)) | |
1000 | arg) | |
1001 | (dired-move-to-filename) | |
1002 | (message "Redisplaying...done"))) | |
79d123ad LT |
1003 | |
1004 | (defun dired-reset-subdir-switches () | |
1005 | "Set `dired-switches-alist' to nil and revert dired buffer." | |
1006 | (interactive) | |
1007 | (setq dired-switches-alist nil) | |
1008 | (revert-buffer)) | |
83fadedf | 1009 | \f |
dd87891b RS |
1010 | (defun dired-update-file-line (file) |
1011 | ;; Delete the current line, and insert an entry for FILE. | |
1012 | ;; If FILE is nil, then just delete the current line. | |
1013 | ;; Keeps any marks that may be present in column one (doing this | |
1014 | ;; here is faster than with dired-add-entry's optional arg). | |
1015 | ;; Does not update other dired buffers. Use dired-relist-entry for that. | |
1016 | (beginning-of-line) | |
6482fcac RS |
1017 | (let ((char (following-char)) (opoint (point)) |
1018 | (buffer-read-only)) | |
dd87891b RS |
1019 | (delete-region (point) (progn (forward-line 1) (point))) |
1020 | (if file | |
1021 | (progn | |
24193f35 | 1022 | (dired-add-entry file nil t) |
dd87891b RS |
1023 | ;; Replace space by old marker without moving point. |
1024 | ;; Faster than goto+insdel inside a save-excursion? | |
1025 | (subst-char-in-region opoint (1+ opoint) ?\040 char)))) | |
1026 | (dired-move-to-filename)) | |
1027 | ||
d443f37c | 1028 | ;;;###autoload |
dd87891b RS |
1029 | (defun dired-add-file (filename &optional marker-char) |
1030 | (dired-fun-in-all-buffers | |
b2a59df0 | 1031 | (file-name-directory filename) (file-name-nondirectory filename) |
dd87891b RS |
1032 | (function dired-add-entry) filename marker-char)) |
1033 | ||
24193f35 | 1034 | (defun dired-add-entry (filename &optional marker-char relative) |
dd87891b RS |
1035 | ;; Add a new entry for FILENAME, optionally marking it |
1036 | ;; with MARKER-CHAR (a character, else dired-marker-char is used). | |
1037 | ;; Note that this adds the entry `out of order' if files sorted by | |
1038 | ;; time, etc. | |
1039 | ;; At least this version inserts in the right subdirectory (if present). | |
1040 | ;; And it skips "." or ".." (see `dired-trivial-filenames'). | |
1041 | ;; Hidden subdirs are exposed if a file is added there. | |
1042 | (setq filename (directory-file-name filename)) | |
1043 | ;; Entry is always for files, even if they happen to also be directories | |
24193f35 | 1044 | (let* ((opoint (point)) |
03679a46 GM |
1045 | (cur-dir (dired-current-directory)) |
1046 | (orig-file-name filename) | |
1047 | (directory (if relative cur-dir (file-name-directory filename))) | |
1048 | reason) | |
24193f35 RS |
1049 | (setq filename |
1050 | (if relative | |
1051 | (file-relative-name filename directory) | |
1052 | (file-name-nondirectory filename)) | |
dd87891b RS |
1053 | reason |
1054 | (catch 'not-found | |
1055 | (if (string= directory cur-dir) | |
1056 | (progn | |
1057 | (skip-chars-forward "^\r\n") | |
1058 | (if (eq (following-char) ?\r) | |
1059 | (dired-unhide-subdir)) | |
1060 | ;; We are already where we should be, except when | |
e5369aad | 1061 | ;; point is before the subdir line or its total line. |
dd87891b RS |
1062 | (let ((p (dired-after-subdir-garbage cur-dir))) |
1063 | (if (< (point) p) | |
1064 | (goto-char p)))) | |
1065 | ;; else try to find correct place to insert | |
1066 | (if (dired-goto-subdir directory) | |
03679a46 GM |
1067 | (progn ;; unhide if necessary |
1068 | (if (looking-at "\r") ;; point is at end of subdir line | |
dd87891b RS |
1069 | (dired-unhide-subdir)) |
1070 | ;; found - skip subdir and `total' line | |
1071 | ;; and uninteresting files like . and .. | |
1072 | ;; This better not moves into the next subdir! | |
1073 | (dired-goto-next-nontrivial-file)) | |
1074 | ;; not found | |
1075 | (throw 'not-found "Subdir not found"))) | |
225feba2 | 1076 | (let (buffer-read-only opoint) |
dd87891b | 1077 | (beginning-of-line) |
225feba2 | 1078 | (setq opoint (point)) |
e5369aad | 1079 | ;; Don't expand `.'. Show just the file name within directory. |
60e4eb54 | 1080 | (let ((default-directory directory)) |
e5369aad RS |
1081 | (dired-insert-directory directory |
1082 | (concat dired-actual-switches "d") | |
1083 | (list filename))) | |
416f1c6f | 1084 | (goto-char opoint) |
e5369aad RS |
1085 | ;; Put in desired marker char. |
1086 | (when marker-char | |
1087 | (let ((dired-marker-char | |
1088 | (if (integerp marker-char) marker-char dired-marker-char))) | |
ac28c6ca | 1089 | (dired-mark nil))) |
cb79b372 RS |
1090 | ;; Compensate for a bug in ange-ftp. |
1091 | ;; It inserts the file's absolute name, rather than | |
1092 | ;; the relative one. That may be hard to fix since it | |
1093 | ;; is probably controlled by something in ftp. | |
edb8d73e | 1094 | (goto-char opoint) |
0c713b6f | 1095 | (let ((inserted-name (dired-get-filename 'verbatim))) |
cb79b372 | 1096 | (if (file-name-directory inserted-name) |
e5369aad | 1097 | (let (props) |
cb79b372 | 1098 | (end-of-line) |
e5369aad RS |
1099 | (forward-char (- (length inserted-name))) |
1100 | (setq props (text-properties-at (point))) | |
1101 | (delete-char (length inserted-name)) | |
1102 | (let ((pt (point))) | |
1103 | (insert filename) | |
1104 | (set-text-properties pt (point) props)) | |
cb79b372 RS |
1105 | (forward-char 1)) |
1106 | (forward-line 1))) | |
dd87891b | 1107 | (forward-line -1) |
03679a46 GM |
1108 | (if dired-after-readin-hook ;; the subdir-alist is not affected... |
1109 | (save-excursion ;; ...so we can run it right now: | |
dd87891b RS |
1110 | (save-restriction |
1111 | (beginning-of-line) | |
1112 | (narrow-to-region (point) (save-excursion | |
1113 | (forward-line 1) (point))) | |
1114 | (run-hooks 'dired-after-readin-hook)))) | |
1115 | (dired-move-to-filename)) | |
1116 | ;; return nil if all went well | |
1117 | nil)) | |
03679a46 | 1118 | (if reason ; don't move away on failure |
dd87891b | 1119 | (goto-char opoint)) |
03679a46 | 1120 | (not reason))) ; return t on success, nil else |
dd87891b | 1121 | |
dd87891b RS |
1122 | (defun dired-after-subdir-garbage (dir) |
1123 | ;; Return pos of first file line of DIR, skipping header and total | |
1124 | ;; or wildcard lines. | |
1125 | ;; Important: never moves into the next subdir. | |
1126 | ;; DIR is assumed to be unhidden. | |
1127 | ;; Will probably be redefined for VMS etc. | |
1128 | (save-excursion | |
1129 | (or (dired-goto-subdir dir) (error "This cannot happen")) | |
1130 | (forward-line 1) | |
1131 | (while (and (not (eolp)) ; don't cross subdir boundary | |
1132 | (not (dired-move-to-filename))) | |
1133 | (forward-line 1)) | |
1134 | (point))) | |
1135 | ||
d443f37c | 1136 | ;;;###autoload |
dd87891b RS |
1137 | (defun dired-remove-file (file) |
1138 | (dired-fun-in-all-buffers | |
b2a59df0 RS |
1139 | (file-name-directory file) (file-name-nondirectory file) |
1140 | (function dired-remove-entry) file)) | |
dd87891b RS |
1141 | |
1142 | (defun dired-remove-entry (file) | |
1143 | (save-excursion | |
1144 | (and (dired-goto-file file) | |
1145 | (let (buffer-read-only) | |
1146 | (delete-region (progn (beginning-of-line) (point)) | |
1147 | (save-excursion (forward-line 1) (point))))))) | |
1148 | ||
d443f37c | 1149 | ;;;###autoload |
dd87891b | 1150 | (defun dired-relist-file (file) |
e5369aad | 1151 | "Create or update the line for FILE in all Dired buffers it would belong in." |
dd87891b | 1152 | (dired-fun-in-all-buffers (file-name-directory file) |
b2a59df0 | 1153 | (file-name-nondirectory file) |
dd87891b RS |
1154 | (function dired-relist-entry) file)) |
1155 | ||
1156 | (defun dired-relist-entry (file) | |
1157 | ;; Relist the line for FILE, or just add it if it did not exist. | |
57dabf6b | 1158 | ;; FILE must be an absolute file name. |
dd87891b RS |
1159 | (let (buffer-read-only marker) |
1160 | ;; If cursor is already on FILE's line delete-region will cause | |
1161 | ;; save-excursion to fail because of floating makers, | |
1162 | ;; moving point to beginning of line. Sigh. | |
1163 | (save-excursion | |
1164 | (and (dired-goto-file file) | |
1165 | (delete-region (progn (beginning-of-line) | |
1166 | (setq marker (following-char)) | |
1167 | (point)) | |
1168 | (save-excursion (forward-line 1) (point)))) | |
1169 | (setq file (directory-file-name file)) | |
1170 | (dired-add-entry file (if (eq ?\040 marker) nil marker))))) | |
83fadedf | 1171 | \f |
dd87891b RS |
1172 | ;;; Copy, move/rename, making hard and symbolic links |
1173 | ||
91a7e829 | 1174 | (defcustom dired-backup-overwrite nil |
dd87891b | 1175 | "*Non-nil if Dired should ask about making backups before overwriting files. |
91a7e829 RS |
1176 | Special value `always' suppresses confirmation." |
1177 | :type '(choice (const :tag "off" nil) | |
1178 | (const :tag "suppress" always) | |
a9e9b8fa | 1179 | (other :tag "ask" t)) |
91a7e829 | 1180 | :group 'dired) |
dd87891b | 1181 | |
bf0de14d CY |
1182 | ;; This is a fluid var used in dired-handle-overwrite. It should be |
1183 | ;; let-bound whenever dired-copy-file etc are called. See | |
1184 | ;; dired-create-files for an example. | |
1185 | (defvar dired-overwrite-confirmed) | |
6482fcac | 1186 | |
dd87891b | 1187 | (defun dired-handle-overwrite (to) |
e5369aad | 1188 | ;; Save old version of file TO that is to be overwritten. |
6482fcac | 1189 | ;; `dired-overwrite-confirmed' and `overwrite-backup-query' are fluid vars |
dd87891b | 1190 | ;; from dired-create-files. |
d63a6ae0 | 1191 | (let (backup) |
bbfe2308 CY |
1192 | (when (and dired-backup-overwrite |
1193 | dired-overwrite-confirmed | |
1194 | (setq backup (car (find-backup-file-name to))) | |
1195 | (or (eq 'always dired-backup-overwrite) | |
1196 | (dired-query 'overwrite-backup-query | |
1197 | "Make backup for existing file `%s'? " | |
1198 | to))) | |
1199 | (rename-file to backup 0) ; confirm overwrite of old backup | |
1200 | (dired-relist-entry backup)))) | |
dd87891b | 1201 | |
d443f37c | 1202 | ;;;###autoload |
dd87891b RS |
1203 | (defun dired-copy-file (from to ok-flag) |
1204 | (dired-handle-overwrite to) | |
c62a8073 RS |
1205 | (dired-copy-file-recursive from to ok-flag dired-copy-preserve-time t |
1206 | dired-recursive-copies)) | |
dd87891b | 1207 | |
8e845e23 JB |
1208 | (declare-function make-symbolic-link "fileio.c") |
1209 | ||
ba1acd68 RS |
1210 | (defun dired-copy-file-recursive (from to ok-flag &optional |
1211 | preserve-time top recursive) | |
c62a8073 RS |
1212 | (let ((attrs (file-attributes from)) |
1213 | dirfailed) | |
3b68c506 RS |
1214 | (if (and recursive |
1215 | (eq t (car attrs)) | |
1216 | (or (eq recursive 'always) | |
ce5a3ac0 | 1217 | (yes-or-no-p (format "Recursive copies of %s? " from)))) |
3b68c506 | 1218 | ;; This is a directory. |
89242dda JB |
1219 | (let ((mode (file-modes from)) |
1220 | (files | |
c62a8073 RS |
1221 | (condition-case err |
1222 | (directory-files from nil dired-re-no-dot) | |
1223 | (file-error | |
1224 | (push (dired-make-relative from) | |
1225 | dired-create-files-failures) | |
1226 | (dired-log "Copying error for %s:\n%s\n" from err) | |
1227 | (setq dirfailed t) | |
1228 | nil)))) | |
3b68c506 | 1229 | (if (eq recursive 'top) (setq recursive 'always)) ; Don't ask any more. |
c62a8073 RS |
1230 | (unless dirfailed |
1231 | (if (file-exists-p to) | |
1232 | (or top (dired-handle-overwrite to)) | |
1233 | (condition-case err | |
89242dda JB |
1234 | (progn |
1235 | (make-directory to) | |
1236 | (set-file-modes to #o700)) | |
c62a8073 RS |
1237 | (file-error |
1238 | (push (dired-make-relative from) | |
1239 | dired-create-files-failures) | |
1240 | (setq files nil) | |
1241 | (dired-log "Copying error for %s:\n%s\n" from err))))) | |
7a547817 RS |
1242 | (dolist (file files) |
1243 | (let ((thisfrom (expand-file-name file from)) | |
1244 | (thisto (expand-file-name file to))) | |
1245 | ;; Catch errors copying within a directory, | |
1246 | ;; and report them through the dired log mechanism | |
1247 | ;; just as our caller will do for the top level files. | |
1248 | (condition-case err | |
1249 | (dired-copy-file-recursive | |
1250 | thisfrom thisto | |
1251 | ok-flag preserve-time nil recursive) | |
1252 | (file-error | |
1253 | (push (dired-make-relative thisfrom) | |
1254 | dired-create-files-failures) | |
89242dda JB |
1255 | (dired-log "Copying error for %s:\n%s\n" thisfrom err))))) |
1256 | (when (file-directory-p to) | |
1257 | (set-file-modes to mode))) | |
3b68c506 RS |
1258 | ;; Not a directory. |
1259 | (or top (dired-handle-overwrite to)) | |
c62a8073 RS |
1260 | (condition-case err |
1261 | (if (stringp (car attrs)) | |
1262 | ;; It is a symlink | |
1263 | (make-symbolic-link (car attrs) to ok-flag) | |
1264 | (copy-file from to ok-flag dired-copy-preserve-time)) | |
4a725859 | 1265 | (file-date-error |
c62a8073 RS |
1266 | (push (dired-make-relative from) |
1267 | dired-create-files-failures) | |
7a547817 | 1268 | (dired-log "Can't set date on %s:\n%s\n" from err)))))) |
ba1acd68 | 1269 | |
d443f37c | 1270 | ;;;###autoload |
e5369aad RS |
1271 | (defun dired-rename-file (file newname ok-if-already-exists) |
1272 | (dired-handle-overwrite newname) | |
1273 | (rename-file file newname ok-if-already-exists) ; error is caught in -create-files | |
dd87891b | 1274 | ;; Silently rename the visited file of any buffer visiting this file. |
e5369aad RS |
1275 | (and (get-file-buffer file) |
1276 | (with-current-buffer (get-file-buffer file) | |
1277 | (set-visited-file-name newname nil t))) | |
1278 | (dired-remove-file file) | |
dd87891b | 1279 | ;; See if it's an inserted subdir, and rename that, too. |
e5369aad | 1280 | (dired-rename-subdir file newname)) |
dd87891b RS |
1281 | |
1282 | (defun dired-rename-subdir (from-dir to-dir) | |
1283 | (setq from-dir (file-name-as-directory from-dir) | |
1284 | to-dir (file-name-as-directory to-dir)) | |
b2a59df0 | 1285 | (dired-fun-in-all-buffers from-dir nil |
dd87891b RS |
1286 | (function dired-rename-subdir-1) from-dir to-dir) |
1287 | ;; Update visited file name of all affected buffers | |
9df38cef RS |
1288 | (let ((expanded-from-dir (expand-file-name from-dir)) |
1289 | (blist (buffer-list))) | |
dd87891b RS |
1290 | (while blist |
1291 | (save-excursion | |
9df38cef | 1292 | (set-buffer (car blist)) |
dd87891b | 1293 | (if (and buffer-file-name |
9df38cef | 1294 | (dired-in-this-tree buffer-file-name expanded-from-dir)) |
dd87891b | 1295 | (let ((modflag (buffer-modified-p)) |
83fadedf | 1296 | (to-file (dired-replace-in-string |
dd87891b RS |
1297 | (concat "^" (regexp-quote from-dir)) |
1298 | to-dir | |
1299 | buffer-file-name))) | |
1300 | (set-visited-file-name to-file) | |
1301 | (set-buffer-modified-p modflag)))) | |
1302 | (setq blist (cdr blist))))) | |
1303 | ||
1304 | (defun dired-rename-subdir-1 (dir to) | |
1305 | ;; Rename DIR to TO in headerlines and dired-subdir-alist, if DIR or | |
1306 | ;; one of its subdirectories is expanded in this buffer. | |
9df38cef RS |
1307 | (let ((expanded-dir (expand-file-name dir)) |
1308 | (alist dired-subdir-alist) | |
dd87891b RS |
1309 | (elt nil)) |
1310 | (while alist | |
1311 | (setq elt (car alist) | |
1312 | alist (cdr alist)) | |
9df38cef | 1313 | (if (dired-in-this-tree (car elt) expanded-dir) |
dd87891b RS |
1314 | ;; ELT's subdir is affected by the rename |
1315 | (dired-rename-subdir-2 elt dir to))) | |
1316 | (if (equal dir default-directory) | |
1317 | ;; if top level directory was renamed, lots of things have to be | |
1318 | ;; updated: | |
1319 | (progn | |
1320 | (dired-unadvertise dir) ; we no longer dired DIR... | |
1321 | (setq default-directory to | |
1322 | dired-directory (expand-file-name;; this is correct | |
1323 | ;; with and without wildcards | |
1324 | (file-name-nondirectory dired-directory) | |
1325 | to)) | |
1326 | (let ((new-name (file-name-nondirectory | |
1327 | (directory-file-name dired-directory)))) | |
1328 | ;; try to rename buffer, but just leave old name if new | |
1329 | ;; name would already exist (don't try appending "<%d>") | |
1330 | (or (get-buffer new-name) | |
1331 | (rename-buffer new-name))) | |
1332 | ;; ... we dired TO now: | |
1333 | (dired-advertise))))) | |
1334 | ||
1335 | (defun dired-rename-subdir-2 (elt dir to) | |
f2260f48 LT |
1336 | ;; Update the headerline and dired-subdir-alist element, as well as |
1337 | ;; dired-switches-alist element, of directory described by | |
1338 | ;; alist-element ELT to reflect the moving of DIR to TO. Thus, ELT | |
1339 | ;; describes either DIR itself or a subdir of DIR. | |
dd87891b RS |
1340 | (save-excursion |
1341 | (let ((regexp (regexp-quote (directory-file-name dir))) | |
1342 | (newtext (directory-file-name to)) | |
1343 | buffer-read-only) | |
1344 | (goto-char (dired-get-subdir-min elt)) | |
1345 | ;; Update subdir headerline in buffer | |
1346 | (if (not (looking-at dired-subdir-regexp)) | |
1347 | (error "%s not found where expected - dired-subdir-alist broken?" | |
1348 | dir) | |
1349 | (goto-char (match-beginning 1)) | |
1350 | (if (re-search-forward regexp (match-end 1) t) | |
1351 | (replace-match newtext t t) | |
1352 | (error "Expected to find `%s' in headerline of %s" dir (car elt)))) | |
f2260f48 LT |
1353 | ;; Update buffer-local dired-subdir-alist and dired-switches-alist |
1354 | (let ((cons (assoc-string (car elt) dired-switches-alist)) | |
1355 | (cur-dir (dired-normalize-subdir | |
1356 | (dired-replace-in-string regexp newtext (car elt))))) | |
1357 | (setcar elt cur-dir) | |
1358 | (when cons (setcar cons cur-dir)))))) | |
83fadedf | 1359 | \f |
dd87891b RS |
1360 | ;; The basic function for half a dozen variations on cp/mv/ln/ln -s. |
1361 | (defun dired-create-files (file-creator operation fn-list name-constructor | |
1362 | &optional marker-char) | |
1363 | ||
1364 | ;; Create a new file for each from a list of existing files. The user | |
1365 | ;; is queried, dired buffers are updated, and at the end a success or | |
1366 | ;; failure message is displayed | |
1367 | ||
1368 | ;; FILE-CREATOR must accept three args: oldfile newfile ok-if-already-exists | |
1369 | ||
1370 | ;; It is called for each file and must create newfile, the entry of | |
1371 | ;; which will be added. The user will be queried if the file already | |
1372 | ;; exists. If oldfile is removed by FILE-CREATOR (i.e, it is a | |
1373 | ;; rename), it is FILE-CREATOR's responsibility to update dired | |
a7acbbe4 | 1374 | ;; buffers. FILE-CREATOR must abort by signaling a file-error if it |
dd87891b RS |
1375 | ;; could not create newfile. The error is caught and logged. |
1376 | ||
1377 | ;; OPERATION (a capitalized string, e.g. `Copy') describes the | |
1378 | ;; operation performed. It is used for error logging. | |
1379 | ||
57dabf6b | 1380 | ;; FN-LIST is the list of files to copy (full absolute file names). |
dd87891b RS |
1381 | |
1382 | ;; NAME-CONSTRUCTOR returns a newfile for every oldfile, or nil to | |
1383 | ;; skip. If it skips files for other reasons than a direct user | |
1384 | ;; query, it is supposed to tell why (using dired-log). | |
1385 | ||
1386 | ;; Optional MARKER-CHAR is a character with which to mark every | |
1387 | ;; newfile's entry, or t to use the current marker character if the | |
1388 | ;; oldfile was marked. | |
1389 | ||
c62a8073 RS |
1390 | (let (dired-create-files-failures failures |
1391 | skipped (success-count 0) (total (length fn-list))) | |
dd87891b RS |
1392 | (let (to overwrite-query |
1393 | overwrite-backup-query) ; for dired-handle-overwrite | |
04509548 SM |
1394 | (dolist (from fn-list) |
1395 | (setq to (funcall name-constructor from)) | |
1396 | (if (equal to from) | |
1397 | (progn | |
1398 | (setq to nil) | |
1399 | (dired-log "Cannot %s to same file: %s\n" | |
1400 | (downcase operation) from))) | |
1401 | (if (not to) | |
1402 | (setq skipped (cons (dired-make-relative from) skipped)) | |
1403 | (let* ((overwrite (file-exists-p to)) | |
1404 | (dired-overwrite-confirmed ; for dired-handle-overwrite | |
1405 | (and overwrite | |
1406 | (let ((help-form '(format "\ | |
dd87891b RS |
1407 | Type SPC or `y' to overwrite file `%s', |
1408 | DEL or `n' to skip to next, | |
1409 | ESC or `q' to not overwrite any of the remaining files, | |
1410 | `!' to overwrite all remaining files with no more questions." to))) | |
04509548 SM |
1411 | (dired-query 'overwrite-query |
1412 | "Overwrite `%s'?" to)))) | |
1413 | ;; must determine if FROM is marked before file-creator | |
1414 | ;; gets a chance to delete it (in case of a move). | |
1415 | (actual-marker-char | |
1416 | (cond ((integerp marker-char) marker-char) | |
1417 | (marker-char (dired-file-marker from)) ; slow | |
1418 | (t nil)))) | |
1419 | (condition-case err | |
1420 | (progn | |
1421 | (funcall file-creator from to dired-overwrite-confirmed) | |
1422 | (if overwrite | |
1423 | ;; If we get here, file-creator hasn't been aborted | |
1424 | ;; and the old entry (if any) has to be deleted | |
1425 | ;; before adding the new entry. | |
1426 | (dired-remove-file to)) | |
1427 | (setq success-count (1+ success-count)) | |
1428 | (message "%s: %d of %d" operation success-count total) | |
1429 | (dired-add-file to actual-marker-char)) | |
1430 | (file-error ; FILE-CREATOR aborted | |
1431 | (progn | |
1432 | (push (dired-make-relative from) | |
1433 | failures) | |
1434 | (dired-log "%s `%s' to `%s' failed:\n%s\n" | |
1435 | operation from to err)))))))) | |
dd87891b | 1436 | (cond |
c62a8073 RS |
1437 | (dired-create-files-failures |
1438 | (setq failures (nconc failures dired-create-files-failures)) | |
1439 | (dired-log-summary | |
1440 | (format "%s failed for %d file%s in %d requests" | |
1441 | operation (length failures) | |
1442 | (dired-plural-s (length failures)) | |
1443 | total) | |
1444 | failures)) | |
dd87891b RS |
1445 | (failures |
1446 | (dired-log-summary | |
1447 | (format "%s failed for %d of %d file%s" | |
c62a8073 RS |
1448 | operation (length failures) |
1449 | total (dired-plural-s total)) | |
dd87891b RS |
1450 | failures)) |
1451 | (skipped | |
1452 | (dired-log-summary | |
1453 | (format "%s: %d of %d file%s skipped" | |
1454 | operation (length skipped) total | |
1455 | (dired-plural-s total)) | |
1456 | skipped)) | |
1457 | (t | |
1458 | (message "%s: %s file%s" | |
1459 | operation success-count (dired-plural-s success-count))))) | |
1460 | (dired-move-to-filename)) | |
83fadedf | 1461 | \f |
dd87891b | 1462 | (defun dired-do-create-files (op-symbol file-creator operation arg |
616e14f4 SM |
1463 | &optional marker-char op1 |
1464 | how-to) | |
1465 | "Create a new file for each marked file. | |
1466 | Prompts user for target, which is a directory in which to create | |
1467 | the new files. Target may be a plain file if only one marked | |
dcaf31d3 EZ |
1468 | file exists. The way the default for the target directory is |
1469 | computed depends on the value of `dired-dwim-target-directory'. | |
616e14f4 SM |
1470 | OP-SYMBOL is the symbol for the operation. Function `dired-mark-pop-up' |
1471 | will determine whether pop-ups are appropriate for this OP-SYMBOL. | |
1472 | FILE-CREATOR and OPERATION as in `dired-create-files'. | |
1473 | ARG as in `dired-get-marked-files'. | |
1474 | Optional arg MARKER-CHAR as in `dired-create-files'. | |
1475 | Optional arg OP1 is an alternate form for OPERATION if there is | |
1476 | only one file. | |
1477 | Optional arg HOW-TO is used to set the value of the into-dir variable | |
1478 | which determines how to treat target. | |
1479 | If into-dir is set to nil then target is not regarded as a directory, | |
1480 | there must be exactly one marked file, else error. | |
1481 | Else if into-dir is set to a list, then target is a generalized | |
1482 | directory (e.g. some sort of archive). The first element of into-dir | |
1483 | must be a function with at least four arguments: | |
1484 | operation as OPERATION above. | |
1485 | rfn-list a list of the relative names for the marked files. | |
1486 | fn-list a list of the absolute names for the marked files. | |
1487 | target. | |
1488 | The rest of into-dir are optional arguments. | |
1489 | Else into-dir is not a list. Target is a directory. | |
1490 | The marked file(s) are created inside the target directory. | |
1491 | ||
1492 | If HOW-TO is not given (or nil), then into-dir is set to true if | |
1493 | target is a directory and otherwise to nil. | |
1494 | Else if HOW-TO is t, then into-dir is set to nil. | |
1495 | Else HOW-TO is assumed to be a function of one argument, target, | |
1496 | that looks at target and returns a value for the into-dir | |
1497 | variable. The function `dired-into-dir-with-symlinks' is provided | |
1498 | for the case (common when creating symlinks) that symbolic | |
1499 | links to directories are not to be considered as directories | |
1500 | (as `file-directory-p' would if HOW-TO had been nil)." | |
dd87891b RS |
1501 | (or op1 (setq op1 operation)) |
1502 | (let* ((fn-list (dired-get-marked-files nil arg)) | |
ba1acd68 RS |
1503 | (rfn-list (mapcar (function dired-make-relative) fn-list)) |
1504 | (dired-one-file ; fluid variable inside dired-create-files | |
1505 | (and (consp fn-list) (null (cdr fn-list)) (car fn-list))) | |
75ab0c79 GM |
1506 | (target-dir (dired-dwim-target-directory)) |
1507 | (default (and dired-one-file | |
1508 | (expand-file-name (file-name-nondirectory (car fn-list)) | |
1509 | target-dir))) | |
ba1acd68 | 1510 | (target (expand-file-name ; fluid variable inside dired-create-files |
dd87891b | 1511 | (dired-mark-read-file-name |
ba1acd68 | 1512 | (concat (if dired-one-file op1 operation) " %s to: ") |
75ab0c79 | 1513 | target-dir op-symbol arg rfn-list default))) |
325fec3c EZ |
1514 | (into-dir (cond ((null how-to) |
1515 | ;; Allow DOS/Windows users to change the letter | |
1516 | ;; case of a directory. If we don't test these | |
1517 | ;; conditions up front, file-directory-p below | |
1518 | ;; will return t because the filesystem is | |
1519 | ;; case-insensitive, and Emacs will try to move | |
1520 | ;; foo -> foo/foo, which fails. | |
c60ee5e7 | 1521 | (if (and (memq system-type '(ms-dos windows-nt cygwin)) |
325fec3c EZ |
1522 | (eq op-symbol 'move) |
1523 | dired-one-file | |
1524 | (string= (downcase | |
1525 | (expand-file-name (car fn-list))) | |
1526 | (downcase | |
1527 | (expand-file-name target))) | |
1528 | (not (string= | |
1529 | (file-name-nondirectory (car fn-list)) | |
1530 | (file-name-nondirectory target)))) | |
1531 | nil | |
1532 | (file-directory-p target))) | |
dd87891b RS |
1533 | ((eq how-to t) nil) |
1534 | (t (funcall how-to target))))) | |
ba1acd68 RS |
1535 | (if (and (consp into-dir) (functionp (car into-dir))) |
1536 | (apply (car into-dir) operation rfn-list fn-list target (cdr into-dir)) | |
1537 | (if (not (or dired-one-file into-dir)) | |
1538 | (error "Marked %s: target must be a directory: %s" operation target)) | |
1539 | ;; rename-file bombs when moving directories unless we do this: | |
1540 | (or into-dir (setq target (directory-file-name target))) | |
1541 | (dired-create-files | |
1542 | file-creator operation fn-list | |
1543 | (if into-dir ; target is a directory | |
1544 | ;; This function uses fluid variable target when called | |
1545 | ;; inside dired-create-files: | |
1546 | (function | |
1547 | (lambda (from) | |
1548 | (expand-file-name (file-name-nondirectory from) target))) | |
1549 | (function (lambda (from) target))) | |
1550 | marker-char)))) | |
dd87891b RS |
1551 | |
1552 | ;; Read arguments for a marked-files command that wants a file name, | |
1553 | ;; perhaps popping up the list of marked files. | |
1554 | ;; ARG is the prefix arg and indicates whether the files came from | |
1555 | ;; marks (ARG=nil) or a repeat factor (integerp ARG). | |
1556 | ;; If the current file was used, the list has but one element and ARG | |
1557 | ;; does not matter. (It is non-nil, non-integer in that case, namely '(4)). | |
64666d2d MB |
1558 | ;; DEFAULT is the default value to return if the user just hits RET; |
1559 | ;; if it is omitted or nil, then the name of the directory is used. | |
dd87891b | 1560 | |
64666d2d MB |
1561 | (defun dired-mark-read-file-name (prompt dir op-symbol arg files |
1562 | &optional default) | |
dd87891b RS |
1563 | (dired-mark-pop-up |
1564 | nil op-symbol files | |
1565 | (function read-file-name) | |
64666d2d | 1566 | (format prompt (dired-mark-prompt arg files)) dir default)) |
dd87891b RS |
1567 | |
1568 | (defun dired-dwim-target-directory () | |
1569 | ;; Try to guess which target directory the user may want. | |
1570 | ;; If there is a dired buffer displayed in the next window, use | |
1571 | ;; its current subdir, else use current subdir of this dired buffer. | |
1572 | (let ((this-dir (and (eq major-mode 'dired-mode) | |
1573 | (dired-current-directory)))) | |
1574 | ;; non-dired buffer may want to profit from this function, e.g. vm-uudecode | |
1575 | (if dired-dwim-target | |
1576 | (let* ((other-buf (window-buffer (next-window))) | |
1577 | (other-dir (save-excursion | |
1578 | (set-buffer other-buf) | |
1579 | (and (eq major-mode 'dired-mode) | |
1580 | (dired-current-directory))))) | |
1581 | (or other-dir this-dir)) | |
1582 | this-dir))) | |
83fadedf | 1583 | \f |
dd87891b RS |
1584 | ;;;###autoload |
1585 | (defun dired-create-directory (directory) | |
1586 | "Create a directory called DIRECTORY." | |
1587 | (interactive | |
1588 | (list (read-file-name "Create directory: " (dired-current-directory)))) | |
934b4968 JL |
1589 | (let* ((expanded (directory-file-name (expand-file-name directory))) |
1590 | (try expanded) new) | |
1591 | ;; Find the topmost nonexistent parent dir (variable `new') | |
1592 | (while (and try (not (file-exists-p try)) (not (equal new try))) | |
1593 | (setq new try | |
1594 | try (directory-file-name (file-name-directory try)))) | |
1595 | (make-directory expanded t) | |
1596 | (when new | |
1597 | (dired-add-file new) | |
1598 | (dired-move-to-filename)))) | |
dd87891b RS |
1599 | |
1600 | (defun dired-into-dir-with-symlinks (target) | |
1601 | (and (file-directory-p target) | |
1602 | (not (file-symlink-p target)))) | |
1603 | ;; This may not always be what you want, especially if target is your | |
1604 | ;; home directory and it happens to be a symbolic link, as is often the | |
1605 | ;; case with NFS and automounters. Or if you want to make symlinks | |
1606 | ;; into directories that themselves are only symlinks, also quite | |
1607 | ;; common. | |
1608 | ||
1609 | ;; So we don't use this function as value for HOW-TO in | |
1610 | ;; dired-do-symlink, which has the minor disadvantage of | |
1611 | ;; making links *into* a symlinked-dir, when you really wanted to | |
1612 | ;; *overwrite* that symlink. In that (rare, I guess) case, you'll | |
1613 | ;; just have to remove that symlink by hand before making your marked | |
1614 | ;; symlinks. | |
1615 | ||
ba1acd68 | 1616 | (defvar dired-copy-how-to-fn nil |
0ff9b955 | 1617 | "nil or a function used by `dired-do-copy' to determine target. |
ba1acd68 RS |
1618 | See HOW-TO argument for `dired-do-create-files'.") |
1619 | ||
dd87891b RS |
1620 | ;;;###autoload |
1621 | (defun dired-do-copy (&optional arg) | |
1622 | "Copy all marked (or next ARG) files, or copy the current file. | |
1623 | This normally preserves the last-modified date when copying. | |
1624 | When operating on just the current file, you specify the new name. | |
b5458fc2 RS |
1625 | When operating on multiple or marked files, you specify a directory, |
1626 | and new copies of these files are made in that directory | |
dcaf31d3 EZ |
1627 | with the same names that the files currently have. The default |
1628 | suggested for the target directory depends on the value of | |
ec9581d5 RS |
1629 | `dired-dwim-target', which see. |
1630 | ||
1631 | This command copies symbolic links by creating new ones, | |
1632 | like `cp -d'." | |
dd87891b | 1633 | (interactive "P") |
ea185644 | 1634 | (let ((dired-recursive-copies dired-recursive-copies)) |
ba1acd68 | 1635 | (dired-do-create-files 'copy (function dired-copy-file) |
de97d5e8 | 1636 | "Copy" |
ea185644 GM |
1637 | arg dired-keep-marker-copy |
1638 | nil dired-copy-how-to-fn))) | |
dd87891b RS |
1639 | |
1640 | ;;;###autoload | |
1641 | (defun dired-do-symlink (&optional arg) | |
1642 | "Make symbolic links to current file or all marked (or next ARG) files. | |
1643 | When operating on just the current file, you specify the new name. | |
1644 | When operating on multiple or marked files, you specify a directory | |
1645 | and new symbolic links are made in that directory | |
dcaf31d3 EZ |
1646 | with the same names that the files currently have. The default |
1647 | suggested for the target directory depends on the value of | |
806f34d6 EZ |
1648 | `dired-dwim-target', which see. |
1649 | ||
1650 | For relative symlinks, use \\[dired-do-relsymlink]." | |
dd87891b RS |
1651 | (interactive "P") |
1652 | (dired-do-create-files 'symlink (function make-symbolic-link) | |
1653 | "Symlink" arg dired-keep-marker-symlink)) | |
1654 | ||
1655 | ;;;###autoload | |
1656 | (defun dired-do-hardlink (&optional arg) | |
1657 | "Add names (hard links) current file or all marked (or next ARG) files. | |
1658 | When operating on just the current file, you specify the new name. | |
1659 | When operating on multiple or marked files, you specify a directory | |
1660 | and new hard links are made in that directory | |
dcaf31d3 EZ |
1661 | with the same names that the files currently have. The default |
1662 | suggested for the target directory depends on the value of | |
1663 | `dired-dwim-target', which see." | |
dd87891b | 1664 | (interactive "P") |
e5369aad | 1665 | (dired-do-create-files 'hardlink (function dired-hardlink) |
dd87891b RS |
1666 | "Hardlink" arg dired-keep-marker-hardlink)) |
1667 | ||
e5369aad RS |
1668 | (defun dired-hardlink (file newname &optional ok-if-already-exists) |
1669 | (dired-handle-overwrite newname) | |
1670 | ;; error is caught in -create-files | |
1671 | (add-name-to-file file newname ok-if-already-exists) | |
1672 | ;; Update the link count | |
1673 | (dired-relist-file file)) | |
1674 | ||
dd87891b RS |
1675 | ;;;###autoload |
1676 | (defun dired-do-rename (&optional arg) | |
1677 | "Rename current file or all marked (or next ARG) files. | |
1678 | When renaming just the current file, you specify the new name. | |
dcaf31d3 | 1679 | When renaming multiple or marked files, you specify a directory. |
e5369aad | 1680 | This command also renames any buffers that are visiting the files. |
dcaf31d3 EZ |
1681 | The default suggested for the target directory depends on the value |
1682 | of `dired-dwim-target', which see." | |
dd87891b RS |
1683 | (interactive "P") |
1684 | (dired-do-create-files 'move (function dired-rename-file) | |
1685 | "Move" arg dired-keep-marker-rename "Rename")) | |
1686 | ;;;###end dired-cp.el | |
83fadedf | 1687 | \f |
dd87891b RS |
1688 | ;;; 5K |
1689 | ;;;###begin dired-re.el | |
1690 | (defun dired-do-create-files-regexp | |
731ffbd9 | 1691 | (file-creator operation arg regexp newname &optional whole-name marker-char) |
dd87891b RS |
1692 | ;; Create a new file for each marked file using regexps. |
1693 | ;; FILE-CREATOR and OPERATION as in dired-create-files. | |
1694 | ;; ARG as in dired-get-marked-files. | |
1695 | ;; Matches each marked file against REGEXP and constructs the new | |
1696 | ;; filename from NEWNAME (like in function replace-match). | |
731ffbd9 | 1697 | ;; Optional arg WHOLE-NAME means match/replace the whole file name |
dd87891b RS |
1698 | ;; instead of only the non-directory part of the file. |
1699 | ;; Optional arg MARKER-CHAR as in dired-create-files. | |
1700 | (let* ((fn-list (dired-get-marked-files nil arg)) | |
1701 | (fn-count (length fn-list)) | |
1702 | (operation-prompt (concat operation " `%s' to `%s'?")) | |
1703 | (rename-regexp-help-form (format "\ | |
1704 | Type SPC or `y' to %s one match, DEL or `n' to skip to next, | |
1705 | `!' to %s all remaining matches with no more questions." | |
1706 | (downcase operation) | |
1707 | (downcase operation))) | |
1708 | (regexp-name-constructor | |
1709 | ;; Function to construct new filename using REGEXP and NEWNAME: | |
731ffbd9 | 1710 | (if whole-name ; easy (but rare) case |
dd87891b RS |
1711 | (function |
1712 | (lambda (from) | |
1713 | (let ((to (dired-string-replace-match regexp from newname)) | |
1714 | ;; must bind help-form directly around call to | |
1715 | ;; dired-query | |
1716 | (help-form rename-regexp-help-form)) | |
1717 | (if to | |
1718 | (and (dired-query 'rename-regexp-query | |
1719 | operation-prompt | |
1720 | from | |
1721 | to) | |
1722 | to) | |
1723 | (dired-log "%s: %s did not match regexp %s\n" | |
1724 | operation from regexp))))) | |
731ffbd9 | 1725 | ;; not whole-name, replace non-directory part only |
dd87891b RS |
1726 | (function |
1727 | (lambda (from) | |
1728 | (let* ((new (dired-string-replace-match | |
1729 | regexp (file-name-nondirectory from) newname)) | |
1730 | (to (and new ; nil means there was no match | |
1731 | (expand-file-name new | |
1732 | (file-name-directory from)))) | |
1733 | (help-form rename-regexp-help-form)) | |
1734 | (if to | |
1735 | (and (dired-query 'rename-regexp-query | |
1736 | operation-prompt | |
1737 | (dired-make-relative from) | |
1738 | (dired-make-relative to)) | |
1739 | to) | |
1740 | (dired-log "%s: %s did not match regexp %s\n" | |
1741 | operation (file-name-nondirectory from) regexp))))))) | |
1742 | rename-regexp-query) | |
1743 | (dired-create-files | |
1744 | file-creator operation fn-list regexp-name-constructor marker-char))) | |
1745 | ||
1746 | (defun dired-mark-read-regexp (operation) | |
1747 | ;; Prompt user about performing OPERATION. | |
731ffbd9 KS |
1748 | ;; Read and return list of: regexp newname arg whole-name. |
1749 | (let* ((whole-name | |
dd87891b RS |
1750 | (equal 0 (prefix-numeric-value current-prefix-arg))) |
1751 | (arg | |
731ffbd9 | 1752 | (if whole-name nil current-prefix-arg)) |
dd87891b RS |
1753 | (regexp |
1754 | (dired-read-regexp | |
731ffbd9 | 1755 | (concat (if whole-name "Abs. " "") operation " from (regexp): "))) |
dd87891b RS |
1756 | (newname |
1757 | (read-string | |
731ffbd9 KS |
1758 | (concat (if whole-name "Abs. " "") operation " " regexp " to: ")))) |
1759 | (list regexp newname arg whole-name))) | |
dd87891b RS |
1760 | |
1761 | ;;;###autoload | |
731ffbd9 | 1762 | (defun dired-do-rename-regexp (regexp newname &optional arg whole-name) |
2b3e941a EZ |
1763 | "Rename selected files whose names match REGEXP to NEWNAME. |
1764 | ||
1765 | With non-zero prefix argument ARG, the command operates on the next ARG | |
1766 | files. Otherwise, it operates on all the marked files, or the current | |
1767 | file if none are marked. | |
1768 | ||
dd87891b RS |
1769 | As each match is found, the user must type a character saying |
1770 | what to do with it. For directions, type \\[help-command] at that time. | |
1771 | NEWNAME may contain \\=\\<n> or \\& as in `query-replace-regexp'. | |
1772 | REGEXP defaults to the last regexp used. | |
57dabf6b RS |
1773 | |
1774 | With a zero prefix arg, renaming by regexp affects the absolute file name. | |
1775 | Normally, only the non-directory part of the file name is used and changed." | |
dd87891b RS |
1776 | (interactive (dired-mark-read-regexp "Rename")) |
1777 | (dired-do-create-files-regexp | |
1778 | (function dired-rename-file) | |
731ffbd9 | 1779 | "Rename" arg regexp newname whole-name dired-keep-marker-rename)) |
dd87891b RS |
1780 | |
1781 | ;;;###autoload | |
731ffbd9 | 1782 | (defun dired-do-copy-regexp (regexp newname &optional arg whole-name) |
2b3e941a | 1783 | "Copy selected files whose names match REGEXP to NEWNAME. |
99c364e4 | 1784 | See function `dired-do-rename-regexp' for more info." |
dd87891b | 1785 | (interactive (dired-mark-read-regexp "Copy")) |
ba1acd68 RS |
1786 | (let ((dired-recursive-copies nil)) ; No recursive copies. |
1787 | (dired-do-create-files-regexp | |
1788 | (function dired-copy-file) | |
1789 | (if dired-copy-preserve-time "Copy [-p]" "Copy") | |
731ffbd9 | 1790 | arg regexp newname whole-name dired-keep-marker-copy))) |
dd87891b RS |
1791 | |
1792 | ;;;###autoload | |
731ffbd9 | 1793 | (defun dired-do-hardlink-regexp (regexp newname &optional arg whole-name) |
2b3e941a | 1794 | "Hardlink selected files whose names match REGEXP to NEWNAME. |
99c364e4 | 1795 | See function `dired-do-rename-regexp' for more info." |
dd87891b RS |
1796 | (interactive (dired-mark-read-regexp "HardLink")) |
1797 | (dired-do-create-files-regexp | |
1798 | (function add-name-to-file) | |
731ffbd9 | 1799 | "HardLink" arg regexp newname whole-name dired-keep-marker-hardlink)) |
dd87891b RS |
1800 | |
1801 | ;;;###autoload | |
731ffbd9 | 1802 | (defun dired-do-symlink-regexp (regexp newname &optional arg whole-name) |
2b3e941a | 1803 | "Symlink selected files whose names match REGEXP to NEWNAME. |
99c364e4 | 1804 | See function `dired-do-rename-regexp' for more info." |
dd87891b RS |
1805 | (interactive (dired-mark-read-regexp "SymLink")) |
1806 | (dired-do-create-files-regexp | |
1807 | (function make-symbolic-link) | |
731ffbd9 | 1808 | "SymLink" arg regexp newname whole-name dired-keep-marker-symlink)) |
dd87891b RS |
1809 | |
1810 | (defun dired-create-files-non-directory | |
1811 | (file-creator basename-constructor operation arg) | |
1812 | ;; Perform FILE-CREATOR on the non-directory part of marked files | |
1813 | ;; using function BASENAME-CONSTRUCTOR, with query for each file. | |
1814 | ;; OPERATION like in dired-create-files, ARG as in dired-get-marked-files. | |
1815 | (let (rename-non-directory-query) | |
1816 | (dired-create-files | |
1817 | file-creator | |
1818 | operation | |
1819 | (dired-get-marked-files nil arg) | |
1820 | (function | |
1821 | (lambda (from) | |
1822 | (let ((to (concat (file-name-directory from) | |
1823 | (funcall basename-constructor | |
1824 | (file-name-nondirectory from))))) | |
1825 | (and (let ((help-form (format "\ | |
1826 | Type SPC or `y' to %s one file, DEL or `n' to skip to next, | |
1827 | `!' to %s all remaining matches with no more questions." | |
1828 | (downcase operation) | |
1829 | (downcase operation)))) | |
1830 | (dired-query 'rename-non-directory-query | |
1831 | (concat operation " `%s' to `%s'") | |
1832 | (dired-make-relative from) | |
1833 | (dired-make-relative to))) | |
1834 | to)))) | |
1835 | dired-keep-marker-rename))) | |
1836 | ||
1837 | (defun dired-rename-non-directory (basename-constructor operation arg) | |
1838 | (dired-create-files-non-directory | |
1839 | (function dired-rename-file) | |
1840 | basename-constructor operation arg)) | |
1841 | ||
1842 | ;;;###autoload | |
1843 | (defun dired-upcase (&optional arg) | |
1844 | "Rename all marked (or next ARG) files to upper case." | |
1845 | (interactive "P") | |
1846 | (dired-rename-non-directory (function upcase) "Rename upcase" arg)) | |
1847 | ||
1848 | ;;;###autoload | |
1849 | (defun dired-downcase (&optional arg) | |
1850 | "Rename all marked (or next ARG) files to lower case." | |
1851 | (interactive "P") | |
1852 | (dired-rename-non-directory (function downcase) "Rename downcase" arg)) | |
1853 | ||
1854 | ;;;###end dired-re.el | |
83fadedf | 1855 | \f |
dd87891b RS |
1856 | ;;; 13K |
1857 | ;;;###begin dired-ins.el | |
1858 | ||
1859 | ;;;###autoload | |
1860 | (defun dired-maybe-insert-subdir (dirname &optional | |
1861 | switches no-error-if-not-dir-p) | |
1862 | "Insert this subdirectory into the same dired buffer. | |
1863 | If it is already present, just move to it (type \\[dired-do-redisplay] to refresh), | |
1864 | else inserts it at its natural place (as `ls -lR' would have done). | |
1865 | With a prefix arg, you may edit the ls switches used for this listing. | |
1866 | You can add `R' to the switches to expand the whole tree starting at | |
1867 | this subdirectory. | |
79d123ad LT |
1868 | This function takes some pains to conform to `ls -lR' output. |
1869 | ||
1870 | Dired remembers switches specified with a prefix arg, so that reverting | |
1871 | the buffer will not reset them. However, using `dired-undo' to re-insert | |
1872 | or delete subdirectories can bypass this machinery. Hence, you sometimes | |
1873 | may have to reset some subdirectory switches after a `dired-undo'. | |
1874 | You can reset all subdirectory switches to the default using | |
fad9e9b4 | 1875 | \\<dired-mode-map>\\[dired-reset-subdir-switches]. |
098c61f2 | 1876 | See Info node `(emacs)Subdir switches' for more details." |
dd87891b RS |
1877 | (interactive |
1878 | (list (dired-get-filename) | |
1879 | (if current-prefix-arg | |
f2260f48 LT |
1880 | (read-string "Switches for listing: " |
1881 | (or dired-subdir-switches dired-actual-switches))))) | |
dd87891b RS |
1882 | (let ((opoint (point))) |
1883 | ;; We don't need a marker for opoint as the subdir is always | |
1884 | ;; inserted *after* opoint. | |
1885 | (setq dirname (file-name-as-directory dirname)) | |
1886 | (or (and (not switches) | |
1887 | (dired-goto-subdir dirname)) | |
1888 | (dired-insert-subdir dirname switches no-error-if-not-dir-p)) | |
1889 | ;; Push mark so that it's easy to find back. Do this after the | |
1890 | ;; insert message so that the user sees the `Mark set' message. | |
1891 | (push-mark opoint))) | |
1892 | ||
72af9867 | 1893 | ;;;###autoload |
dd87891b RS |
1894 | (defun dired-insert-subdir (dirname &optional switches no-error-if-not-dir-p) |
1895 | "Insert this subdirectory into the same dired buffer. | |
1896 | If it is already present, overwrites previous entry, | |
1897 | else inserts it at its natural place (as `ls -lR' would have done). | |
1898 | With a prefix arg, you may edit the `ls' switches used for this listing. | |
1899 | You can add `R' to the switches to expand the whole tree starting at | |
1900 | this subdirectory. | |
1901 | This function takes some pains to conform to `ls -lR' output." | |
1902 | ;; NO-ERROR-IF-NOT-DIR-P needed for special filesystems like | |
1903 | ;; Prospero where dired-ls does the right thing, but | |
1904 | ;; file-directory-p has not been redefined. | |
1905 | (interactive | |
1906 | (list (dired-get-filename) | |
1907 | (if current-prefix-arg | |
f2260f48 LT |
1908 | (read-string "Switches for listing: " |
1909 | (or dired-subdir-switches dired-actual-switches))))) | |
dd87891b | 1910 | (setq dirname (file-name-as-directory (expand-file-name dirname))) |
dd87891b RS |
1911 | (or no-error-if-not-dir-p |
1912 | (file-directory-p dirname) | |
1913 | (error "Attempt to insert a non-directory: %s" dirname)) | |
1914 | (let ((elt (assoc dirname dired-subdir-alist)) | |
f2260f48 LT |
1915 | (cons (assoc-string dirname dired-switches-alist)) |
1916 | (modflag (buffer-modified-p)) | |
1917 | (old-switches switches) | |
1918 | switches-have-R mark-alist case-fold-search buffer-read-only) | |
1919 | (and (not switches) cons (setq switches (cdr cons))) | |
1920 | (dired-insert-subdir-validate dirname switches) | |
dd87891b RS |
1921 | ;; case-fold-search is nil now, so we can test for capital `R': |
1922 | (if (setq switches-have-R (and switches (string-match "R" switches))) | |
1923 | ;; avoid duplicated subdirs | |
1924 | (setq mark-alist (dired-kill-tree dirname t))) | |
1925 | (if elt | |
1926 | ;; If subdir is already present, remove it and remember its marks | |
1927 | (setq mark-alist (nconc (dired-insert-subdir-del elt) mark-alist)) | |
1928 | (dired-insert-subdir-newpos dirname)) ; else compute new position | |
1929 | (dired-insert-subdir-doupdate | |
1930 | dirname elt (dired-insert-subdir-doinsert dirname switches)) | |
f2260f48 LT |
1931 | (when old-switches |
1932 | (if cons | |
1933 | (setcdr cons switches) | |
1934 | (push (cons dirname switches) dired-switches-alist))) | |
1935 | (when switches-have-R | |
1936 | (dired-build-subdir-alist switches) | |
081e4397 | 1937 | (setq switches (dired-replace-in-string "R" "" switches)) |
f2260f48 LT |
1938 | (dolist (cur-ass dired-subdir-alist) |
1939 | (let ((cur-dir (car cur-ass))) | |
1940 | (and (dired-in-this-tree cur-dir dirname) | |
f2260f48 LT |
1941 | (let ((cur-cons (assoc-string cur-dir dired-switches-alist))) |
1942 | (if cur-cons | |
1943 | (setcdr cur-cons switches) | |
1944 | (push (cons cur-dir switches) dired-switches-alist))))))) | |
dd87891b | 1945 | (dired-initial-position dirname) |
f2260f48 LT |
1946 | (save-excursion (dired-mark-remembered mark-alist)) |
1947 | (restore-buffer-modified-p modflag))) | |
dd87891b RS |
1948 | |
1949 | ;; This is a separate function for dired-vms. | |
1950 | (defun dired-insert-subdir-validate (dirname &optional switches) | |
1951 | ;; Check that it is valid to insert DIRNAME with SWITCHES. | |
1952 | ;; Signal an error if invalid (e.g. user typed `i' on `..'). | |
d443f37c | 1953 | (or (dired-in-this-tree dirname (expand-file-name default-directory)) |
dd87891b | 1954 | (error "%s: not in this directory tree" dirname)) |
f2260f48 LT |
1955 | (let ((real-switches (or switches dired-subdir-switches))) |
1956 | (when real-switches | |
dd87891b RS |
1957 | (let (case-fold-search) |
1958 | (mapcar | |
1959 | (function | |
1960 | (lambda (x) | |
f2260f48 | 1961 | (or (eq (null (string-match x real-switches)) |
dd87891b | 1962 | (null (string-match x dired-actual-switches))) |
f2260f48 LT |
1963 | (error |
1964 | "Can't have dirs with and without -%s switches together" x)))) | |
dd87891b | 1965 | ;; all switches that make a difference to dired-get-filename: |
f2260f48 | 1966 | '("F" "b")))))) |
dd87891b RS |
1967 | |
1968 | (defun dired-alist-add (dir new-marker) | |
1969 | ;; Add new DIR at NEW-MARKER. Sort alist. | |
1970 | (dired-alist-add-1 dir new-marker) | |
1971 | (dired-alist-sort)) | |
1972 | ||
1973 | (defun dired-alist-sort () | |
1974 | ;; Keep the alist sorted on buffer position. | |
1975 | (setq dired-subdir-alist | |
1976 | (sort dired-subdir-alist | |
1977 | (function (lambda (elt1 elt2) | |
1978 | (> (dired-get-subdir-min elt1) | |
1979 | (dired-get-subdir-min elt2))))))) | |
1980 | ||
0a07c3a9 | 1981 | (defun dired-kill-tree (dirname &optional remember-marks kill-root) |
616e14f4 | 1982 | "Kill all proper subdirs of DIRNAME, excluding DIRNAME itself. |
0a07c3a9 LT |
1983 | Interactively, you can kill DIRNAME as well by using a prefix argument. |
1984 | In interactive use, the command prompts for DIRNAME. | |
1985 | ||
1986 | When called from Lisp, if REMEMBER-MARKS is non-nil, return an alist | |
1987 | of marked files. If KILL-ROOT is non-nil, kill DIRNAME as well." | |
1988 | (interactive "DKill tree below directory: \ni\nP") | |
1989 | (setq dirname (file-name-as-directory (expand-file-name dirname))) | |
dd87891b RS |
1990 | (let ((s-alist dired-subdir-alist) dir m-alist) |
1991 | (while s-alist | |
1992 | (setq dir (car (car s-alist)) | |
1993 | s-alist (cdr s-alist)) | |
0a07c3a9 LT |
1994 | (and (or kill-root (not (string-equal dir dirname))) |
1995 | (dired-in-this-tree dir dirname) | |
1996 | (dired-goto-subdir dir) | |
1997 | (setq m-alist (nconc (dired-kill-subdir remember-marks) m-alist)))) | |
dd87891b RS |
1998 | m-alist)) |
1999 | ||
2000 | (defun dired-insert-subdir-newpos (new-dir) | |
2001 | ;; Find pos for new subdir, according to tree order. | |
2002 | ;;(goto-char (point-max)) | |
2003 | (let ((alist dired-subdir-alist) elt dir pos new-pos) | |
2004 | (while alist | |
2005 | (setq elt (car alist) | |
2006 | alist (cdr alist) | |
2007 | dir (car elt) | |
2008 | pos (dired-get-subdir-min elt)) | |
2009 | (if (dired-tree-lessp dir new-dir) | |
2010 | ;; Insert NEW-DIR after DIR | |
2011 | (setq new-pos (dired-get-subdir-max elt) | |
2012 | alist nil))) | |
2013 | (goto-char new-pos)) | |
2014 | ;; want a separating newline between subdirs | |
2015 | (or (eobp) | |
2016 | (forward-line -1)) | |
2017 | (insert "\n") | |
2018 | (point)) | |
2019 | ||
2020 | (defun dired-insert-subdir-del (element) | |
2021 | ;; Erase an already present subdir (given by ELEMENT) from buffer. | |
2022 | ;; Move to that buffer position. Return a mark-alist. | |
2023 | (let ((begin-marker (dired-get-subdir-min element))) | |
2024 | (goto-char begin-marker) | |
2025 | ;; Are at beginning of subdir (and inside it!). Now determine its end: | |
2026 | (goto-char (dired-subdir-max)) | |
2027 | (or (eobp);; want a separating newline _between_ subdirs: | |
2028 | (forward-char -1)) | |
2029 | (prog1 | |
2030 | (dired-remember-marks begin-marker (point)) | |
2031 | (delete-region begin-marker (point))))) | |
2032 | ||
2033 | (defun dired-insert-subdir-doinsert (dirname switches) | |
e5369aad | 2034 | ;; Insert ls output after point. |
dd87891b | 2035 | ;; Return the boundary of the inserted text (as list of BEG and END). |
349254d3 AS |
2036 | (save-excursion |
2037 | (let ((begin (point))) | |
349254d3 AS |
2038 | (let ((dired-actual-switches |
2039 | (or switches | |
f2260f48 | 2040 | dired-subdir-switches |
349254d3 AS |
2041 | (dired-replace-in-string "R" "" dired-actual-switches)))) |
2042 | (if (equal dirname (car (car (last dired-subdir-alist)))) | |
2043 | ;; If doing the top level directory of the buffer, | |
2044 | ;; redo it as specified in dired-directory. | |
2045 | (dired-readin-insert) | |
2046 | (dired-insert-directory dirname dired-actual-switches nil nil t))) | |
349254d3 | 2047 | (list begin (point))))) |
dd87891b RS |
2048 | |
2049 | (defun dired-insert-subdir-doupdate (dirname elt beg-end) | |
2050 | ;; Point is at the correct subdir alist position for ELT, | |
2051 | ;; BEG-END is the subdir-region (as list of begin and end). | |
2052 | (if elt ; subdir was already present | |
2053 | ;; update its position (should actually be unchanged) | |
2054 | (set-marker (dired-get-subdir-min elt) (point-marker)) | |
2055 | (dired-alist-add dirname (point-marker))) | |
2056 | ;; The hook may depend on the subdir-alist containing the just | |
2057 | ;; inserted subdir, so run it after dired-alist-add: | |
2058 | (if dired-after-readin-hook | |
2059 | (save-excursion | |
2060 | (let ((begin (nth 0 beg-end)) | |
2061 | (end (nth 1 beg-end))) | |
2062 | (goto-char begin) | |
2063 | (save-restriction | |
2064 | (narrow-to-region begin end) | |
2065 | ;; hook may add or delete lines, but the subdir boundary | |
2066 | ;; marker floats | |
2067 | (run-hooks 'dired-after-readin-hook)))))) | |
2068 | ||
2069 | (defun dired-tree-lessp (dir1 dir2) | |
57dabf6b | 2070 | ;; Lexicographic order on file name components, like `ls -lR': |
4837b516 GM |
2071 | ;; DIR1 < DIR2 if DIR1 comes *before* DIR2 in an `ls -lR' listing, |
2072 | ;; i.e., if DIR1 is a (grand)parent dir of DIR2, | |
dd87891b RS |
2073 | ;; or DIR1 and DIR2 are in the same parentdir and their last |
2074 | ;; components are string-lessp. | |
2075 | ;; Thus ("/usr/" "/usr/bin") and ("/usr/a/" "/usr/b/") are tree-lessp. | |
2076 | ;; string-lessp could arguably be replaced by file-newer-than-file-p | |
2077 | ;; if dired-actual-switches contained `t'. | |
2078 | (setq dir1 (file-name-as-directory dir1) | |
2079 | dir2 (file-name-as-directory dir2)) | |
2080 | (let ((components-1 (dired-split "/" dir1)) | |
2081 | (components-2 (dired-split "/" dir2))) | |
2082 | (while (and components-1 | |
2083 | components-2 | |
2084 | (equal (car components-1) (car components-2))) | |
2085 | (setq components-1 (cdr components-1) | |
2086 | components-2 (cdr components-2))) | |
2087 | (let ((c1 (car components-1)) | |
2088 | (c2 (car components-2))) | |
2089 | ||
2090 | (cond ((and c1 c2) | |
2091 | (string-lessp c1 c2)) | |
2092 | ((and (null c1) (null c2)) | |
2093 | nil) ; they are equal, not lessp | |
2094 | ((null c1) ; c2 is a subdir of c1: c1<c2 | |
2095 | t) | |
2096 | ((null c2) ; c1 is a subdir of c2: c1>c2 | |
2097 | nil) | |
2098 | (t (error "This can't happen")))))) | |
2099 | ||
2100 | ;; There should be a builtin split function - inverse to mapconcat. | |
2101 | (defun dired-split (pat str &optional limit) | |
2102 | "Splitting on regexp PAT, turn string STR into a list of substrings. | |
2103 | Optional third arg LIMIT (>= 1) is a limit to the length of the | |
2104 | resulting list. | |
2105 | Thus, if SEP is a regexp that only matches itself, | |
2106 | ||
2107 | (mapconcat 'identity (dired-split SEP STRING) SEP) | |
2108 | ||
2109 | is always equal to STRING." | |
2110 | (let* ((start (string-match pat str)) | |
2111 | (result (list (substring str 0 start))) | |
2112 | (count 1) | |
2113 | (end (if start (match-end 0)))) | |
2114 | (if end ; else nothing left | |
2115 | (while (and (or (not (integerp limit)) | |
2116 | (< count limit)) | |
2117 | (string-match pat str end)) | |
2118 | (setq start (match-beginning 0) | |
2119 | count (1+ count) | |
2120 | result (cons (substring str end start) result) | |
2121 | end (match-end 0) | |
2122 | start end) | |
2123 | )) | |
2124 | (if (and (or (not (integerp limit)) | |
2125 | (< count limit)) | |
2126 | end) ; else nothing left | |
2127 | (setq result | |
2128 | (cons (substring str end) result))) | |
2129 | (nreverse result))) | |
83fadedf | 2130 | \f |
dd87891b RS |
2131 | ;;; moving by subdirectories |
2132 | ||
dd87891b RS |
2133 | ;;;###autoload |
2134 | (defun dired-prev-subdir (arg &optional no-error-if-not-found no-skip) | |
2135 | "Go to previous subdirectory, regardless of level. | |
2136 | When called interactively and not on a subdir line, go to this subdir's line." | |
2137 | ;;(interactive "p") | |
2138 | (interactive | |
2139 | (list (if current-prefix-arg | |
2140 | (prefix-numeric-value current-prefix-arg) | |
2141 | ;; if on subdir start already, don't stay there! | |
2142 | (if (dired-get-subdir) 1 0)))) | |
2143 | (dired-next-subdir (- arg) no-error-if-not-found no-skip)) | |
2144 | ||
2145 | (defun dired-subdir-min () | |
2146 | (save-excursion | |
2147 | (if (not (dired-prev-subdir 0 t t)) | |
2148 | (error "Not in a subdir!") | |
2149 | (point)))) | |
2150 | ||
2151 | ;;;###autoload | |
2152 | (defun dired-goto-subdir (dir) | |
2153 | "Go to end of header line of DIR in this dired buffer. | |
2154 | Return value of point on success, otherwise return nil. | |
2155 | The next char is either \\n, or \\r if DIR is hidden." | |
2156 | (interactive | |
2157 | (prog1 ; let push-mark display its message | |
2158 | (list (expand-file-name | |
2159 | (completing-read "Goto in situ directory: " ; prompt | |
2160 | dired-subdir-alist ; table | |
2161 | nil ; predicate | |
2162 | t ; require-match | |
2163 | (dired-current-directory)))) | |
2164 | (push-mark))) | |
2165 | (setq dir (file-name-as-directory dir)) | |
2166 | (let ((elt (assoc dir dired-subdir-alist))) | |
2167 | (and elt | |
2168 | (goto-char (dired-get-subdir-min elt)) | |
2169 | ;; dired-subdir-hidden-p and dired-add-entry depend on point being | |
2170 | ;; at either \r or \n after this function succeeds. | |
2171 | (progn (skip-chars-forward "^\r\n") | |
2172 | (point))))) | |
83fadedf | 2173 | \f |
dd87891b RS |
2174 | ;;;###autoload |
2175 | (defun dired-mark-subdir-files () | |
472974e9 RS |
2176 | "Mark all files except `.' and `..' in current subdirectory. |
2177 | If the Dired buffer shows multiple directories, this command | |
2178 | marks the files listed in the subdirectory that point is in." | |
96149b57 | 2179 | (interactive) |
dd87891b RS |
2180 | (let ((p-min (dired-subdir-min))) |
2181 | (dired-mark-files-in-region p-min (dired-subdir-max)))) | |
2182 | ||
2183 | ;;;###autoload | |
2184 | (defun dired-kill-subdir (&optional remember-marks) | |
2185 | "Remove all lines of current subdirectory. | |
2186 | Lower levels are unaffected." | |
2187 | ;; With optional REMEMBER-MARKS, return a mark-alist. | |
2188 | (interactive) | |
f2260f48 LT |
2189 | (let* ((beg (dired-subdir-min)) |
2190 | (end (dired-subdir-max)) | |
2191 | (modflag (buffer-modified-p)) | |
2192 | (cur-dir (dired-current-directory)) | |
2193 | (cons (assoc-string cur-dir dired-switches-alist)) | |
2194 | buffer-read-only) | |
dd87891b RS |
2195 | (if (equal cur-dir default-directory) |
2196 | (error "Attempt to kill top level directory")) | |
2197 | (prog1 | |
2198 | (if remember-marks (dired-remember-marks beg end)) | |
2199 | (delete-region beg end) | |
2200 | (if (eobp) ; don't leave final blank line | |
2201 | (delete-char -1)) | |
f2260f48 LT |
2202 | (dired-unsubdir cur-dir) |
2203 | (when cons | |
2204 | (setq dired-switches-alist (delete cons dired-switches-alist))) | |
2205 | (restore-buffer-modified-p modflag)))) | |
dd87891b RS |
2206 | |
2207 | (defun dired-unsubdir (dir) | |
2208 | ;; Remove DIR from the alist | |
2209 | (setq dired-subdir-alist | |
2210 | (delq (assoc dir dired-subdir-alist) dired-subdir-alist))) | |
2211 | ||
2212 | ;;;###autoload | |
2213 | (defun dired-tree-up (arg) | |
2214 | "Go up ARG levels in the dired tree." | |
2215 | (interactive "p") | |
2216 | (let ((dir (dired-current-directory))) | |
2217 | (while (>= arg 1) | |
2218 | (setq arg (1- arg) | |
2219 | dir (file-name-directory (directory-file-name dir)))) | |
2220 | ;;(setq dir (expand-file-name dir)) | |
2221 | (or (dired-goto-subdir dir) | |
55535639 | 2222 | (error "Cannot go up to %s - not in this tree" dir)))) |
dd87891b RS |
2223 | |
2224 | ;;;###autoload | |
2225 | (defun dired-tree-down () | |
2226 | "Go down in the dired tree." | |
2227 | (interactive) | |
2228 | (let ((dir (dired-current-directory)) ; has slash | |
2229 | pos case-fold-search) ; filenames are case sensitive | |
2230 | (let ((rest (reverse dired-subdir-alist)) elt) | |
2231 | (while rest | |
2232 | (setq elt (car rest) | |
2233 | rest (cdr rest)) | |
2234 | (if (dired-in-this-tree (directory-file-name (car elt)) dir) | |
2235 | (setq rest nil | |
2236 | pos (dired-goto-subdir (car elt)))))) | |
2237 | (if pos | |
2238 | (goto-char pos) | |
2239 | (error "At the bottom")))) | |
83fadedf | 2240 | \f |
dd87891b RS |
2241 | ;;; hiding |
2242 | ||
2243 | (defun dired-unhide-subdir () | |
2244 | (let (buffer-read-only) | |
2245 | (subst-char-in-region (dired-subdir-min) (dired-subdir-max) ?\r ?\n))) | |
2246 | ||
2247 | (defun dired-hide-check () | |
2248 | (or selective-display | |
2249 | (error "selective-display must be t for subdir hiding to work!"))) | |
2250 | ||
2251 | (defun dired-subdir-hidden-p (dir) | |
2252 | (and selective-display | |
2253 | (save-excursion | |
2254 | (dired-goto-subdir dir) | |
2255 | (looking-at "\r")))) | |
2256 | ||
2257 | ;;;###autoload | |
2258 | (defun dired-hide-subdir (arg) | |
2259 | "Hide or unhide the current subdirectory and move to next directory. | |
2260 | Optional prefix arg is a repeat factor. | |
2261 | Use \\[dired-hide-all] to (un)hide all directories." | |
2262 | (interactive "p") | |
2263 | (dired-hide-check) | |
f2260f48 LT |
2264 | (let ((modflag (buffer-modified-p))) |
2265 | (while (>= (setq arg (1- arg)) 0) | |
2266 | (let* ((cur-dir (dired-current-directory)) | |
2267 | (hidden-p (dired-subdir-hidden-p cur-dir)) | |
2268 | (elt (assoc cur-dir dired-subdir-alist)) | |
2269 | (end-pos (1- (dired-get-subdir-max elt))) | |
2270 | buffer-read-only) | |
2271 | ;; keep header line visible, hide rest | |
2272 | (goto-char (dired-get-subdir-min elt)) | |
2273 | (skip-chars-forward "^\n\r") | |
2274 | (if hidden-p | |
2275 | (subst-char-in-region (point) end-pos ?\r ?\n) | |
2276 | (subst-char-in-region (point) end-pos ?\n ?\r))) | |
2277 | (dired-next-subdir 1 t)) | |
2278 | (restore-buffer-modified-p modflag))) | |
dd87891b RS |
2279 | |
2280 | ;;;###autoload | |
2281 | (defun dired-hide-all (arg) | |
2282 | "Hide all subdirectories, leaving only their header lines. | |
2283 | If there is already something hidden, make everything visible again. | |
2284 | Use \\[dired-hide-subdir] to (un)hide a particular subdirectory." | |
2285 | (interactive "P") | |
2286 | (dired-hide-check) | |
f2260f48 LT |
2287 | (let ((modflag (buffer-modified-p)) |
2288 | buffer-read-only) | |
dd87891b RS |
2289 | (if (save-excursion |
2290 | (goto-char (point-min)) | |
2291 | (search-forward "\r" nil t)) | |
2292 | ;; unhide - bombs on \r in filenames | |
2293 | (subst-char-in-region (point-min) (point-max) ?\r ?\n) | |
2294 | ;; hide | |
2295 | (let ((pos (point-max)) ; pos of end of last directory | |
2296 | (alist dired-subdir-alist)) | |
f2260f48 | 2297 | (while alist ; while there are dirs before pos |
dd87891b RS |
2298 | (subst-char-in-region (dired-get-subdir-min (car alist)) ; pos of prev dir |
2299 | (save-excursion | |
2300 | (goto-char pos) ; current dir | |
2301 | ;; we're somewhere on current dir's line | |
2302 | (forward-line -1) | |
2303 | (point)) | |
2304 | ?\n ?\r) | |
2305 | (setq pos (dired-get-subdir-min (car alist))) ; prev dir gets current dir | |
f2260f48 LT |
2306 | (setq alist (cdr alist))))) |
2307 | (restore-buffer-modified-p modflag))) | |
dd87891b RS |
2308 | |
2309 | ;;;###end dired-ins.el | |
2f14b48d | 2310 | |
83fadedf | 2311 | \f |
2297e912 RM |
2312 | ;; Functions for searching in tags style among marked files. |
2313 | ||
2314 | ;;;###autoload | |
5c0b696b | 2315 | (defun dired-do-search (regexp) |
2297e912 RM |
2316 | "Search through all marked files for a match for REGEXP. |
2317 | Stops when a match is found. | |
2318 | To continue searching for next match, use command \\[tags-loop-continue]." | |
2319 | (interactive "sSearch marked files (regexp): ") | |
5e514c27 | 2320 | (tags-search regexp '(dired-get-marked-files nil nil 'dired-nondirectory-p))) |
2297e912 RM |
2321 | |
2322 | ;;;###autoload | |
be3981a8 | 2323 | (defun dired-do-query-replace-regexp (from to &optional delimited) |
5c0b696b | 2324 | "Do `query-replace-regexp' of FROM with TO, on all marked files. |
2297e912 | 2325 | Third arg DELIMITED (prefix arg) means replace only word-delimited matches. |
e5374284 | 2326 | If you exit (\\[keyboard-quit], RET or q), you can resume the query replace |
2297e912 RM |
2327 | with the command \\[tags-loop-continue]." |
2328 | (interactive | |
0751a704 JL |
2329 | (let ((common |
2330 | (query-replace-read-args | |
2331 | "Query replace regexp in marked files" t t))) | |
2332 | (list (nth 0 common) (nth 1 common) (nth 2 common)))) | |
d1c553c8 RS |
2333 | (dolist (file (dired-get-marked-files nil nil 'dired-nondirectory-p)) |
2334 | (let ((buffer (get-file-buffer file))) | |
2335 | (if (and buffer (with-current-buffer buffer | |
2336 | buffer-read-only)) | |
60a8f928 | 2337 | (error "File `%s' is visited read-only" file)))) |
5e514c27 RS |
2338 | (tags-query-replace from to delimited |
2339 | '(dired-get-marked-files nil nil 'dired-nondirectory-p))) | |
2340 | ||
2341 | (defun dired-nondirectory-p (file) | |
2342 | (not (file-directory-p file))) | |
83fadedf | 2343 | \f |
ee6be958 MB |
2344 | ;;;###autoload |
2345 | (defun dired-show-file-type (file &optional deref-symlinks) | |
2346 | "Print the type of FILE, according to the `file' command. | |
2347 | If FILE is a symbolic link and the optional argument DEREF-SYMLINKS is | |
edb8d73e | 2348 | true then the type of the file linked to by FILE is printed instead." |
ee6be958 | 2349 | (interactive (list (dired-get-filename t) current-prefix-arg)) |
edb8d73e | 2350 | (with-temp-buffer |
ee6be958 | 2351 | (if deref-symlinks |
384bcc64 RS |
2352 | (call-process "file" nil t t "-L" "--" file) |
2353 | (call-process "file" nil t t "--" file)) | |
ee6be958 MB |
2354 | (when (bolp) |
2355 | (backward-delete-char 1)) | |
6de40a0c | 2356 | (message "%s" (buffer-string)))) |
2297e912 | 2357 | |
80ec9ac5 RS |
2358 | (provide 'dired-aux) |
2359 | ||
cbee283d | 2360 | ;; arch-tag: 4b508de9-a153-423d-8d3f-a1bbd86f4f60 |
e5167999 | 2361 | ;;; dired-aux.el ends here |