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9565745a | 1 | ;;; time-stamp.el --- Maintain last change time stamps in files edited by Emacs |
9565745a | 2 | |
b578f267 EN |
3 | ;; Copyright 1989, 1993, 1994, 1995 Free Software Foundation, Inc. |
4 | ||
5 | ;; Maintainer's Time-stamp: <95/12/28 19:48:49 gildea> | |
9565745a | 6 | ;; Maintainer: Stephen Gildea <gildea@lcs.mit.edu> |
9565745a RS |
7 | ;; Keywords: tools |
8 | ||
9 | ;; This file is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation; either version 2, or (at your option) | |
12 | ;; any later version. | |
13 | ||
14 | ;; This file is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
b578f267 EN |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the |
21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | ;; Boston, MA 02111-1307, USA. | |
9565745a RS |
23 | |
24 | ;;; Commentary: | |
25 | ||
b578f267 EN |
26 | ;; If you put a time stamp template anywhere in the first 8 lines of a file, |
27 | ;; it can be updated every time you save the file. See the top of | |
28 | ;; time-stamp.el for a sample. The template looks like one of the following: | |
29 | ;; Time-stamp: <> | |
30 | ;; Time-stamp: " " | |
31 | ;; The time stamp is written between the brackets or quotes, resulting in | |
32 | ;; Time-stamp: <95/01/18 10:20:51 gildea> | |
33 | ;; Here is an example that puts the file name and time stamp in the binary: | |
34 | ;; static char *time_stamp = "sdmain.c Time-stamp: <>"; | |
35 | ||
36 | ;; To activate automatic time stamping in GNU Emacs 19, add this code | |
37 | ;; to your .emacs file: | |
38 | ;; (add-hook 'write-file-hooks 'time-stamp) | |
39 | ;; | |
40 | ;; In Emacs 18 you will need to do this instead: | |
41 | ;; (if (not (memq 'time-stamp write-file-hooks)) | |
42 | ;; (setq write-file-hooks | |
43 | ;; (cons 'time-stamp write-file-hooks))) | |
44 | ;; (autoload 'time-stamp "time-stamp" "Update the time stamp in a buffer." t) | |
45 | ||
46 | ;; See the documentation for the function `time-stamp' for more details. | |
47 | ||
717e06e5 | 48 | ;;; Change Log: |
b578f267 EN |
49 | |
50 | ;; Originally based on the 19 Dec 88 version of | |
51 | ;; date.el by John Sturdy <mcvax!harlqn.co.uk!jcgs@uunet.uu.net> | |
52 | ;; version 2, January 1995: replaced functions with %-escapes | |
53 | ;; $Id: time-stamp.el,v 1.16 1996/01/06 01:03:24 kwzh Exp erik $ | |
9565745a RS |
54 | |
55 | ;;; Code: | |
56 | ||
57 | (defvar time-stamp-active t | |
f8d35bf3 | 58 | "*Non-nil to enable time-stamping of buffers by \\[time-stamp]. |
b1defad2 RS |
59 | Can be toggled by \\[time-stamp-toggle-active]. |
60 | See also the variable time-stamp-warn-inactive.") | |
61 | ||
62 | (defvar time-stamp-warn-inactive t | |
f8d35bf3 KH |
63 | "*Non-nil to have \\[time-stamp] warn if a buffer did not get time-stamped. |
64 | A warning is printed if time-stamp-active is nil and the buffer contains | |
65 | a time stamp template that would otherwise have been updated.") | |
b1defad2 RS |
66 | |
67 | (defvar time-stamp-format "%02y/%02m/%02d %02H:%02M:%02S %u" | |
f8d35bf3 | 68 | "*Template for the string inserted by \\[time-stamp]. |
b1defad2 | 69 | Value may be a string or a list. (Lists are supported only for |
f8d35bf3 KH |
70 | backward compatibility.) A string is used verbatim except |
71 | for character sequences beginning with %: | |
72 | ||
73 | %a weekday name: `Monday'. %A gives uppercase: `MONDAY' | |
74 | %b month name: `January'. %B gives uppercase: `JANUARY' | |
75 | %d day of month | |
76 | %H 24-hour clock hour | |
77 | %I 12-hour clock hour | |
78 | %m month number | |
79 | %M minute | |
80 | %p `am' or `pm'. %P gives uppercase: `AM' or `PM' | |
81 | %S seconds | |
82 | %w day number of week, Sunday is 0 | |
83 | %y year: `1995' | |
84 | %z time zone name: `est'. %Z gives uppercase: `EST' | |
85 | ||
86 | Non-date items: | |
87 | %% a literal percent character: `%' | |
88 | %f file name without directory %F gives absolute pathname | |
89 | %s system name | |
90 | %u user's login name | |
91 | %h mail host name | |
92 | ||
93 | Decimal digits between the % and the type character specify the | |
94 | field width. Strings are truncated on the right; numbers on the left. | |
95 | A leading zero causes numbers to be zero-filled. | |
96 | ||
97 | For example, to get the format used by the `date' command, | |
98 | use \"%3a %3b %2d %02H:%02M:%02S %Z %y\"") | |
9565745a | 99 | |
9565745a RS |
100 | |
101 | ;;; Do not change time-stamp-line-limit, time-stamp-start, or | |
102 | ;;; time-stamp-end in your .emacs or you will be incompatible | |
103 | ;;; with other people's files! If you must change them, | |
104 | ;;; do so only in the local variables section of the file itself. | |
105 | ||
e1f40b28 | 106 | (defvar time-stamp-line-limit 8 ;Do not change! |
c7c4ddd4 | 107 | "Lines of a file searched; positive counts from start, negative from end. |
e1f40b28 | 108 | The patterns `time-stamp-start' and `time-stamp-end' must be found on one |
c7c4ddd4 KH |
109 | of the first (last) `time-stamp-line-limit' lines of the file for the |
110 | file to be time-stamped by \\[time-stamp]. | |
e1f40b28 RS |
111 | |
112 | Do not change `time-stamp-line-limit', `time-stamp-start', or | |
113 | `time-stamp-end' for yourself or you will be incompatible | |
114 | with other people's files! If you must change them for some application, | |
115 | do so in the local variables section of the time-stamped file itself.") | |
116 | ||
9565745a | 117 | |
36081614 | 118 | (defvar time-stamp-start "Time-stamp:[ \t]+\\\\?[\"<]+" ;Do not change! |
9565745a | 119 | "Regexp after which the time stamp is written by \\[time-stamp]. |
e1f40b28 | 120 | See also the variables `time-stamp-end' and `time-stamp-line-limit'. |
9565745a | 121 | |
e1f40b28 RS |
122 | Do not change `time-stamp-line-limit', `time-stamp-start', or |
123 | `time-stamp-end' for yourself or you will be incompatible | |
9565745a RS |
124 | with other people's files! If you must change them for some application, |
125 | do so in the local variables section of the time-stamped file itself.") | |
126 | ||
127 | ||
e1f40b28 | 128 | (defvar time-stamp-end "\\\\?[\">]" ;Do not change! |
9565745a | 129 | "Regexp marking the text after the time stamp. |
e1f40b28 RS |
130 | \\[time-stamp] deletes the text between the first match of `time-stamp-start' |
131 | and the following match of `time-stamp-end' on the same line, | |
132 | then writes the time stamp specified by `time-stamp-format' between them. | |
133 | ||
134 | Do not change `time-stamp-line-limit', `time-stamp-start', or | |
135 | `time-stamp-end' for yourself or you will be incompatible | |
136 | with other people's files! If you must change them for some application, | |
137 | do so in the local variables section of the time-stamped file itself.") | |
138 | ||
9565745a | 139 | |
59b644e8 | 140 | ;;;###autoload |
9565745a RS |
141 | (defun time-stamp () |
142 | "Update the time stamp string in the buffer. | |
e1f40b28 RS |
143 | If you put a time stamp template anywhere in the first 8 lines of a file, |
144 | it can be updated every time you save the file. See the top of | |
145 | `time-stamp.el' for a sample. The template looks like one of the following: | |
146 | Time-stamp: <> | |
147 | Time-stamp: \" \" | |
148 | The time stamp is written between the brackets or quotes, resulting in | |
b1defad2 | 149 | Time-stamp: <95/01/18 10:20:51 gildea> |
9565745a RS |
150 | Only does its thing if the variable time-stamp-active is non-nil. |
151 | Typically used on write-file-hooks for automatic time-stamping. | |
e1f40b28 RS |
152 | The format of the time stamp is determined by the variable time-stamp-format. |
153 | The variables time-stamp-line-limit, time-stamp-start, and time-stamp-end | |
154 | control finding the template." | |
9565745a | 155 | (interactive) |
fe8287c6 | 156 | (let ((case-fold-search nil) |
c7c4ddd4 KH |
157 | (need-to-warn nil) |
158 | start search-end) | |
fe8287c6 KH |
159 | (if (and (stringp time-stamp-start) |
160 | (stringp time-stamp-end)) | |
161 | (save-excursion | |
162 | (save-restriction | |
163 | (widen) | |
c7c4ddd4 KH |
164 | (if (> time-stamp-line-limit 0) |
165 | (progn | |
166 | (goto-char (setq start (point-min))) | |
167 | (forward-line time-stamp-line-limit) | |
168 | (setq search-end (point))) | |
169 | (goto-char (setq search-end (point-max))) | |
170 | (forward-line time-stamp-line-limit) | |
171 | (setq start (point))) | |
172 | (goto-char start) | |
173 | (while | |
174 | (and (< (point) search-end) | |
175 | (re-search-forward time-stamp-start search-end 'move)) | |
176 | (setq start (point)) | |
177 | (end-of-line) | |
178 | (let ((line-end (point))) | |
179 | (goto-char start) | |
180 | (if (re-search-forward time-stamp-end line-end 'move) | |
181 | (progn | |
182 | (if time-stamp-active | |
183 | (let ((end (match-beginning 0))) | |
184 | (delete-region start end) | |
185 | (goto-char start) | |
186 | (insert (time-stamp-string)) | |
187 | (setq end (point)) | |
188 | ;; remove any tabs used to format time stamp | |
189 | (goto-char start) | |
190 | (if (search-forward "\t" end t) | |
191 | (untabify start end))) | |
192 | (if time-stamp-warn-inactive | |
193 | ;; do warning outside save-excursion | |
194 | (setq need-to-warn t))) | |
195 | (setq search-end (point)))))))) | |
fe8287c6 KH |
196 | ;; don't signal an error in a write-file-hook |
197 | (message "time-stamp-start or time-stamp-end is not a string") | |
198 | (sit-for 1)) | |
199 | (if need-to-warn | |
200 | (progn | |
f8d35bf3 | 201 | (message "Warning: time-stamp-active is off; did not time-stamp buffer.") |
fe8287c6 | 202 | (sit-for 1)))) |
9565745a RS |
203 | ;; be sure to return nil so can be used on write-file-hooks |
204 | nil) | |
205 | ||
b1defad2 RS |
206 | ;;;###autoload |
207 | (defun time-stamp-toggle-active (&optional arg) | |
f8d35bf3 | 208 | "Toggle time-stamp-active, setting whether \\[time-stamp] updates a buffer. |
b1defad2 RS |
209 | With arg, turn time stamping on if and only if arg is positive." |
210 | (interactive "P") | |
211 | (setq time-stamp-active | |
212 | (if (null arg) | |
213 | (not time-stamp-active) | |
214 | (> (prefix-numeric-value arg) 0))) | |
215 | (message "time-stamp is now %s." (if time-stamp-active "active" "off"))) | |
216 | ||
217 | ||
9565745a RS |
218 | (defun time-stamp-string () |
219 | "Generate the new string to be inserted by \\[time-stamp]." | |
b1defad2 RS |
220 | (if (stringp time-stamp-format) |
221 | (time-stamp-strftime time-stamp-format) | |
222 | (time-stamp-fconcat time-stamp-format " "))) ;version 1 compatibility | |
223 | ||
1f92d7ef KH |
224 | (defconst time-stamp-month-numbers |
225 | '(("Jan" . 1) ("Feb" . 2) ("Mar" . 3) ("Apr" . 4) ("May" . 5) ("Jun" . 6) | |
226 | ("Jul" . 7) ("Aug" . 8) ("Sep" . 9) ("Oct" . 10) ("Nov" . 11) ("Dec" . 12)) | |
227 | "Alist of months and their number.") | |
228 | ||
229 | (defconst time-stamp-month-full-names | |
230 | ["(zero)" "January" "February" "March" "April" "May" "June" | |
231 | "July" "August" "September" "October" "November" "December"]) | |
232 | ||
233 | (defconst time-stamp-weekday-numbers | |
234 | '(("Sun" . 0) ("Mon" . 1) ("Tue" . 2) ("Wed" . 3) | |
235 | ("Thu" . 4) ("Fri" . 5) ("Sat" . 6)) | |
236 | "Alist of weekdays and their number.") | |
237 | ||
238 | (defconst time-stamp-weekday-full-names | |
239 | ["Sunday" "Monday" "Tuesday" "Wednesday" "Thursday" "Friday" "Saturday"]) | |
240 | ||
c7c4ddd4 KH |
241 | (defconst time-stamp-am-pm '("am" "pm") |
242 | "List of strings used to denote morning and afternoon.") | |
243 | ||
244 | (defconst time-stamp-no-file "(no file)" | |
245 | "String to use when the buffer is not associated with a file.") | |
246 | ||
b1defad2 RS |
247 | (defun time-stamp-strftime (format &optional time) |
248 | "Uses a FORMAT to format date, time, file, and user information. | |
249 | Optional second argument TIME will be used instead of the current time. | |
f8d35bf3 KH |
250 | See the description of the variable `time-stamp-format' for a description |
251 | of the format string." | |
b1defad2 RS |
252 | (let ((time-string (cond ((stringp time) |
253 | time) | |
254 | (time | |
255 | (current-time-string time)) | |
256 | (t | |
257 | (current-time-string)))) | |
258 | (fmt-len (length format)) | |
259 | (ind 0) | |
260 | cur-char | |
f8d35bf3 | 261 | (prev-char nil) |
b1defad2 RS |
262 | (result "") |
263 | field-index | |
264 | field-width | |
f8d35bf3 KH |
265 | field-result |
266 | (paren-level 0)) | |
b1defad2 RS |
267 | (while (< ind fmt-len) |
268 | (setq cur-char (aref format ind)) | |
269 | (setq | |
270 | result | |
271 | (concat result | |
272 | (cond | |
f8d35bf3 | 273 | ((eq cur-char ?%) |
b1defad2 RS |
274 | (setq field-index (1+ ind)) |
275 | (while (progn | |
276 | (setq ind (1+ ind)) | |
f8d35bf3 KH |
277 | (setq cur-char (if (< ind fmt-len) |
278 | (aref format ind) | |
279 | ?\0)) | |
b1defad2 RS |
280 | (and (<= ?0 cur-char) (>= ?9 cur-char)))) |
281 | (setq field-width (substring format field-index ind)) | |
f8d35bf3 KH |
282 | ;; eat any additional args to allow for future expansion |
283 | (while (or (and (<= ?0 cur-char) (>= ?9 cur-char)) (eq ?. cur-char) | |
284 | (eq ?, cur-char) (eq ?: cur-char) (eq ?@ cur-char) | |
285 | (eq ?- cur-char) (eq ?+ cur-char) | |
286 | (eq ?\ cur-char) (eq ?# cur-char) | |
287 | (and (eq ?\( cur-char) | |
288 | (not (eq prev-char ?\\)) | |
289 | (setq paren-level (1+ paren-level))) | |
290 | (if (and (eq ?\) cur-char) | |
291 | (not (eq prev-char ?\\)) | |
292 | (> paren-level 0)) | |
293 | (setq paren-level (1- paren-level)) | |
294 | (and (> paren-level 0) | |
295 | (< ind fmt-len)))) | |
296 | (setq ind (1+ ind)) | |
297 | (setq prev-char cur-char) | |
298 | (setq cur-char (if (< ind fmt-len) | |
299 | (aref format ind) | |
300 | ?\0))) | |
b1defad2 RS |
301 | (setq field-result |
302 | (cond | |
303 | ((eq cur-char ?%) | |
304 | "%") | |
305 | ((or (eq cur-char ?a) ;weekday name | |
306 | (eq cur-char ?A)) | |
307 | (let ((name | |
308 | (aref time-stamp-weekday-full-names | |
309 | (cdr (assoc (substring time-string 0 3) | |
310 | time-stamp-weekday-numbers))))) | |
311 | (if (eq cur-char ?a) | |
312 | name | |
313 | (upcase name)))) | |
314 | ((or (eq cur-char ?b) ;month name | |
315 | (eq cur-char ?B)) | |
316 | (let ((name | |
317 | (aref time-stamp-month-full-names | |
318 | (cdr (assoc (substring time-string 4 7) | |
319 | time-stamp-month-numbers))))) | |
320 | (if (eq cur-char ?b) | |
321 | name | |
322 | (upcase name)))) | |
323 | ((eq cur-char ?d) ;day of month, 1-31 | |
324 | (string-to-int (substring time-string 8 10))) | |
325 | ((eq cur-char ?H) ;hour, 0-23 | |
326 | (string-to-int (substring time-string 11 13))) | |
327 | ((eq cur-char ?I) ;hour, 1-12 | |
328 | (let ((hour (string-to-int (substring time-string 11 13)))) | |
329 | (cond ((< hour 1) | |
330 | (+ hour 12)) | |
331 | ((> hour 12) | |
332 | (- hour 12)) | |
333 | (t | |
334 | hour)))) | |
335 | ((eq cur-char ?m) ;month number, 1-12 | |
336 | (cdr (assoc (substring time-string 4 7) | |
337 | time-stamp-month-numbers))) | |
338 | ((eq cur-char ?M) ;minute, 0-59 | |
339 | (string-to-int (substring time-string 14 16))) | |
340 | ((or (eq cur-char ?p) ;am or pm | |
341 | (eq cur-char ?P)) | |
342 | (let ((name | |
343 | (if (> 12 (string-to-int (substring time-string 11 13))) | |
c7c4ddd4 KH |
344 | (car time-stamp-am-pm) |
345 | (car (cdr time-stamp-am-pm))))) | |
b1defad2 RS |
346 | (if (eq cur-char ?p) |
347 | name | |
348 | (upcase name)))) | |
349 | ((eq cur-char ?S) ;seconds, 00-60 | |
350 | (string-to-int (substring time-string 17 19))) | |
351 | ((eq cur-char ?w) ;weekday number, Sunday is 0 | |
352 | (cdr (assoc (substring time-string 0 3) time-stamp-weekday-numbers))) | |
353 | ((eq cur-char ?y) ;year | |
354 | (string-to-int (substring time-string -4))) | |
355 | ((or (eq cur-char ?z) ;time zone | |
356 | (eq cur-char ?Z)) | |
357 | (let ((name | |
358 | (if (fboundp 'current-time-zone) | |
359 | (car (cdr (current-time-zone time)))))) | |
360 | (or name (setq name "")) | |
361 | (if (eq cur-char ?z) | |
362 | (downcase name) | |
363 | (upcase name)))) | |
364 | ((eq cur-char ?f) ;buffer-file-name, base name only | |
365 | (if buffer-file-name | |
366 | (file-name-nondirectory buffer-file-name) | |
c7c4ddd4 | 367 | time-stamp-no-file)) |
b1defad2 RS |
368 | ((eq cur-char ?F) ;buffer-file-name, full path |
369 | (or buffer-file-name | |
c7c4ddd4 | 370 | time-stamp-no-file)) |
b1defad2 RS |
371 | ((eq cur-char ?s) ;system name |
372 | (system-name)) | |
373 | ((eq cur-char ?u) ;user name | |
374 | (user-login-name)) | |
375 | ((eq cur-char ?h) ;mail host name | |
376 | (time-stamp-mail-host-name)) | |
377 | )) | |
378 | (if (string-equal field-width "") | |
379 | field-result | |
380 | (let ((padded-result | |
381 | (format (format "%%%s%c" | |
382 | field-width | |
383 | (if (numberp field-result) ?d ?s)) | |
384 | (or field-result "")))) | |
385 | (let ((initial-length (length padded-result)) | |
386 | (desired-length (string-to-int field-width))) | |
387 | (if (> initial-length desired-length) | |
388 | ;; truncate strings on right, numbers on left | |
389 | (if (stringp field-result) | |
390 | (substring padded-result 0 desired-length) | |
391 | (substring padded-result (- desired-length))) | |
392 | padded-result))))) | |
393 | (t | |
394 | (char-to-string cur-char))))) | |
395 | (setq ind (1+ ind))) | |
396 | result)) | |
397 | ||
b1defad2 RS |
398 | (defun time-stamp-mail-host-name () |
399 | "Return the name of the host where the user receives mail. | |
400 | This is the value of `mail-host-address' if bound and a string, | |
401 | otherwise the value of `time-stamp-mail-host' (for versions of Emacs | |
c7c4ddd4 | 402 | before 19.29) otherwise the value of the function system-name." |
b1defad2 RS |
403 | (or (and (boundp 'mail-host-address) |
404 | (stringp mail-host-address) | |
405 | mail-host-address) | |
406 | (and (boundp 'time-stamp-mail-host) ;for backward compatibility | |
407 | (stringp time-stamp-mail-host) | |
408 | time-stamp-mail-host) | |
409 | (system-name))) | |
410 | ||
411 | ;;; the rest of this file is for version 1 compatibility | |
9565745a RS |
412 | |
413 | (defun time-stamp-fconcat (list sep) | |
e1f40b28 | 414 | "Similar to (mapconcat 'funcall LIST SEP) but LIST allows literals. |
9565745a RS |
415 | If an element of LIST is a symbol, it is funcalled to get the string to use; |
416 | the separator SEP is used between two strings obtained by funcalling a | |
417 | symbol. Otherwise the element itself is inserted; no separator is used | |
418 | around literals." | |
419 | (let ((return-string "") | |
420 | (insert-sep-p nil)) | |
421 | (while list | |
422 | (cond ((symbolp (car list)) | |
423 | (if insert-sep-p | |
424 | (setq return-string (concat return-string sep))) | |
425 | (setq return-string (concat return-string (funcall (car list)))) | |
426 | (setq insert-sep-p t)) | |
427 | (t | |
428 | (setq return-string (concat return-string (car list))) | |
429 | (setq insert-sep-p nil))) | |
430 | (setq list (cdr list))) | |
431 | return-string)) | |
432 | ||
433 | ||
9565745a RS |
434 | ;;; Some useful functions to use in time-stamp-format |
435 | ||
436 | ;;; Could generate most of a message-id with | |
e1f40b28 | 437 | ;;; '(time-stamp-yymmdd "" time-stamp-hhmm "@" time-stamp-mail-host-name) |
9565745a | 438 | |
9565745a RS |
439 | ;;; pretty form, suitable for a title page |
440 | ||
441 | (defun time-stamp-month-dd-yyyy () | |
e1f40b28 | 442 | "Return the current date as a string in \"Month DD, YYYY\" form." |
9565745a | 443 | (let ((date (current-time-string))) |
579cc01c | 444 | (format "%s %d, %s" |
9565745a RS |
445 | (aref time-stamp-month-full-names |
446 | (cdr (assoc (substring date 4 7) time-stamp-month-numbers))) | |
447 | (string-to-int (substring date 8 10)) | |
448 | (substring date -4)))) | |
449 | ||
450 | ;;; same as __DATE__ in ANSI C | |
451 | ||
452 | (defun time-stamp-mon-dd-yyyy () | |
e1f40b28 RS |
453 | "Return the current date as a string in \"Mon DD YYYY\" form. |
454 | The first character of DD is space if the value is less than 10." | |
9565745a RS |
455 | (let ((date (current-time-string))) |
456 | (format "%s %2d %s" | |
457 | (substring date 4 7) | |
458 | (string-to-int (substring date 8 10)) | |
459 | (substring date -4)))) | |
460 | ||
461 | ;;; RFC 822 date | |
462 | ||
463 | (defun time-stamp-dd-mon-yy () | |
e1f40b28 | 464 | "Return the current date as a string in \"DD Mon YY\" form." |
9565745a RS |
465 | (let ((date (current-time-string))) |
466 | (format "%02d %s %s" | |
467 | (string-to-int (substring date 8 10)) | |
468 | (substring date 4 7) | |
469 | (substring date -2)))) | |
470 | ||
471 | ;;; RCS 3 date | |
472 | ||
473 | (defun time-stamp-yy/mm/dd () | |
e1f40b28 | 474 | "Return the current date as a string in \"YY/MM/DD\" form." |
9565745a RS |
475 | (let ((date (current-time-string))) |
476 | (format "%s/%02d/%02d" | |
477 | (substring date -2) | |
478 | (cdr (assoc (substring date 4 7) time-stamp-month-numbers)) | |
479 | (string-to-int (substring date 8 10))))) | |
480 | ||
481 | ;;; RCS 5 date | |
482 | ||
483 | (defun time-stamp-yyyy/mm/dd () | |
e1f40b28 | 484 | "Return the current date as a string in \"YYYY/MM/DD\" form." |
9565745a RS |
485 | (let ((date (current-time-string))) |
486 | (format "%s/%02d/%02d" | |
487 | (substring date -4) | |
488 | (cdr (assoc (substring date 4 7) time-stamp-month-numbers)) | |
489 | (string-to-int (substring date 8 10))))) | |
490 | ||
e1f40b28 | 491 | ;;; ISO 8601 date |
9565745a | 492 | |
e1f40b28 RS |
493 | (defun time-stamp-yyyy-mm-dd () |
494 | "Return the current date as a string in \"YYYY-MM-DD\" form." | |
9565745a | 495 | (let ((date (current-time-string))) |
e1f40b28 RS |
496 | (format "%s-%02d-%02d" |
497 | (substring date -4) | |
9565745a | 498 | (cdr (assoc (substring date 4 7) time-stamp-month-numbers)) |
e1f40b28 | 499 | (string-to-int (substring date 8 10))))) |
9565745a | 500 | |
e1f40b28 RS |
501 | (defun time-stamp-yymmdd () |
502 | "Return the current date as a string in \"YYMMDD\" form." | |
9565745a | 503 | (let ((date (current-time-string))) |
e1f40b28 RS |
504 | (format "%s%02d%02d" |
505 | (substring date -2) | |
9565745a | 506 | (cdr (assoc (substring date 4 7) time-stamp-month-numbers)) |
e1f40b28 | 507 | (string-to-int (substring date 8 10))))) |
9565745a RS |
508 | |
509 | (defun time-stamp-hh:mm:ss () | |
e1f40b28 | 510 | "Return the current time as a string in \"HH:MM:SS\" form." |
9565745a RS |
511 | (substring (current-time-string) 11 19)) |
512 | ||
9565745a | 513 | (defun time-stamp-hhmm () |
e1f40b28 | 514 | "Return the current time as a string in \"HHMM\" form." |
9565745a RS |
515 | (let ((date (current-time-string))) |
516 | (concat (substring date 11 13) | |
517 | (substring date 14 16)))) | |
518 | ||
519 | (provide 'time-stamp) | |
520 | ||
521 | ;;; time-stamp.el ends here |