* Auto insert and change date in header? @ 2013-07-25 0:30 Xebar Saram 2013-07-26 20:49 ` Dave Marquardt 0 siblings, 1 reply; 6+ messages in thread From: Xebar Saram @ 2013-07-25 0:30 UTC (permalink / raw) To: org mode [-- Attachment #1: Type: text/plain, Size: 212 bytes --] Hi list does any one know of a way to auto insert/change the date in each sections header when the section is edited?IE have a date in the header showing last edited date. Is this technically possible? best Z [-- Attachment #2: Type: text/html, Size: 330 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Auto insert and change date in header? 2013-07-25 0:30 Auto insert and change date in header? Xebar Saram @ 2013-07-26 20:49 ` Dave Marquardt 2015-08-01 14:45 ` Xebar Saram 0 siblings, 1 reply; 6+ messages in thread From: Dave Marquardt @ 2013-07-26 20:49 UTC (permalink / raw) To: emacs-orgmode Xebar Saram <zeltakc@gmail.com> writes: > does any one know of a way to auto insert/change the date in each sections > header when the section is edited?IE have a date in the header showing > last edited date. > Is this technically possible? Try setting before-save-hook. See "(elisp) Saving Buffers". -Dave ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Auto insert and change date in header? 2013-07-26 20:49 ` Dave Marquardt @ 2015-08-01 14:45 ` Xebar Saram 2015-08-01 16:05 ` John Kitchin 0 siblings, 1 reply; 6+ messages in thread From: Xebar Saram @ 2015-08-01 14:45 UTC (permalink / raw) To: Dave Marquardt; +Cc: org mode [-- Attachment #1: Type: text/plain, Size: 707 bytes --] Hi all coming back to it after 3 years :) im wondering if anyone has a hook or anything like that that auto adds a date when he creates a header. and maybe also auto change the date each time the text under the header is changed? kind of simulating a timestamp type function :) best Z On Fri, Jul 26, 2013 at 11:49 PM, Dave Marquardt <davemarq@us.ibm.com> wrote: > Xebar Saram <zeltakc@gmail.com> writes: > > > does any one know of a way to auto insert/change the date in each > sections > > header when the section is edited?IE have a date in the header showing > > last edited date. > > Is this technically possible? > > Try setting before-save-hook. See "(elisp) Saving Buffers". > > -Dave > > > [-- Attachment #2: Type: text/html, Size: 1282 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Auto insert and change date in header? 2015-08-01 14:45 ` Xebar Saram @ 2015-08-01 16:05 ` John Kitchin 2015-08-02 18:34 ` Xebar Saram 0 siblings, 1 reply; 6+ messages in thread From: John Kitchin @ 2015-08-01 16:05 UTC (permalink / raw) To: Xebar Saram; +Cc: Dave Marquardt, org mode This seems to do what you want for the changes. The timestamp is automatically added when you make changes. It does not propagate timestamps up though, so if you change a subheading the timestamp there is updated, but the one in the parent for example. also, this will update every headline. You may need to add another (add-hook 'org-mode-hook (lambda () (add-to-list 'after-change-functions 'update-last-edited))) kind of line to enable this in all org-files, the code below might be buffer local. #+BEGIN_SRC emacs-lisp (defun update-last-edited (beg end length) (when (and (not (org-before-first-heading-p)) (org-get-heading)) (org-entry-put nil "LAST-EDITED" (format-time-string "[%Y-%m-%d %a %H:%M:%S]")))) (add-to-list 'after-change-functions 'update-last-edited) #+END_SRC Xebar Saram writes: > Hi all > > coming back to it after 3 years :) > > im wondering if anyone has a hook or anything like that that auto adds a > date when he creates a header. and maybe also auto change the date each > time the text under the header is changed? kind of simulating a timestamp > type function :) > > best > > Z > > On Fri, Jul 26, 2013 at 11:49 PM, Dave Marquardt <davemarq@us.ibm.com> > wrote: > >> Xebar Saram <zeltakc@gmail.com> writes: >> >> > does any one know of a way to auto insert/change the date in each >> sections >> > header when the section is edited?IE have a date in the header showing >> > last edited date. >> > Is this technically possible? >> >> Try setting before-save-hook. See "(elisp) Saving Buffers". >> >> -Dave >> >> >> -- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Auto insert and change date in header? 2015-08-01 16:05 ` John Kitchin @ 2015-08-02 18:34 ` Xebar Saram 2015-08-03 0:09 ` John Kitchin 0 siblings, 1 reply; 6+ messages in thread From: Xebar Saram @ 2015-08-02 18:34 UTC (permalink / raw) To: John Kitchin; +Cc: Dave Marquardt, org mode [-- Attachment #1: Type: text/plain, Size: 2680 bytes --] Hi John i tried it by evaluating it and then it works exactly as i needed:) the only bizarre thing is that when i add it to my config emacs is frozen during startup. ive also tried adding the extra lines you suggested so now the lisp part looks like this #+BEGIN_SRC emacs-lisp (defun update-last-edited (beg end length) (when (and (not (org-before-first-heading-p)) (org-get-heading)) (org-entry-put nil "LAST-EDITED" (format-time-string "[%d-%m-%Y(%H:%M)]")))) (add-to-list 'after-change-functions 'update-last-edited) (add-hook 'org-mode-hook (lambda () (add-to-list 'after-change-functions 'update-last-edited))) #+END_SRC any idea why it freezes emacs? best Z On Sat, Aug 1, 2015 at 7:05 PM, John Kitchin <jkitchin@andrew.cmu.edu> wrote: > > This seems to do what you want for the changes. The timestamp is > automatically added when you make changes. It does not propagate > timestamps up though, so if you change a subheading the timestamp there > is updated, but the one in the parent for example. also, this will > update every headline. > > You may need to add another (add-hook 'org-mode-hook (lambda () > (add-to-list 'after-change-functions 'update-last-edited))) kind of line > to enable this in all org-files, the code below might be buffer local. > > #+BEGIN_SRC emacs-lisp > (defun update-last-edited (beg end length) > (when > (and > (not (org-before-first-heading-p)) > (org-get-heading)) > (org-entry-put nil "LAST-EDITED" (format-time-string "[%Y-%m-%d %a > %H:%M:%S]")))) > > (add-to-list 'after-change-functions 'update-last-edited) > #+END_SRC > > > > Xebar Saram writes: > > > Hi all > > > > coming back to it after 3 years :) > > > > im wondering if anyone has a hook or anything like that that auto adds a > > date when he creates a header. and maybe also auto change the date each > > time the text under the header is changed? kind of simulating a > timestamp > > type function :) > > > > best > > > > Z > > > > On Fri, Jul 26, 2013 at 11:49 PM, Dave Marquardt <davemarq@us.ibm.com> > > wrote: > > > >> Xebar Saram <zeltakc@gmail.com> writes: > >> > >> > does any one know of a way to auto insert/change the date in each > >> sections > >> > header when the section is edited?IE have a date in the header showing > >> > last edited date. > >> > Is this technically possible? > >> > >> Try setting before-save-hook. See "(elisp) Saving Buffers". > >> > >> -Dave > >> > >> > >> > > -- > Professor John Kitchin > Doherty Hall A207F > Department of Chemical Engineering > Carnegie Mellon University > Pittsburgh, PA 15213 > 412-268-7803 > @johnkitchin > http://kitchingroup.cheme.cmu.edu > [-- Attachment #2: Type: text/html, Size: 4000 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Auto insert and change date in header? 2015-08-02 18:34 ` Xebar Saram @ 2015-08-03 0:09 ` John Kitchin 0 siblings, 0 replies; 6+ messages in thread From: John Kitchin @ 2015-08-03 0:09 UTC (permalink / raw) To: Xebar Saram; +Cc: Dave Marquardt, org mode [-- Attachment #1: Type: text/plain, Size: 3446 bytes --] you probably only need this: (add-hook 'org-mode-hook (lambda () (add-to-list 'after-change-functions 'update-last-edited))) and not this: (add-to-list 'after-change-functions 'update-last-edited) I guess that this last line could be causing an issue in buffers like *Messages* which change a lot, especially during startup. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Sun, Aug 2, 2015 at 2:34 PM, Xebar Saram <zeltakc@gmail.com> wrote: > Hi John > > i tried it by evaluating it and then it works exactly as i needed:) the > only bizarre thing is that when i add it to my config emacs is frozen > during startup. > ive also tried adding the extra lines you suggested so now the lisp part > looks like this > > > #+BEGIN_SRC emacs-lisp > (defun update-last-edited (beg end length) > (when > (and > (not (org-before-first-heading-p)) > (org-get-heading)) > (org-entry-put nil "LAST-EDITED" (format-time-string > "[%d-%m-%Y(%H:%M)]")))) > > (add-to-list 'after-change-functions 'update-last-edited) > > (add-hook 'org-mode-hook (lambda () > (add-to-list 'after-change-functions 'update-last-edited))) > > #+END_SRC > > any idea why it freezes emacs? > > best > > Z > > On Sat, Aug 1, 2015 at 7:05 PM, John Kitchin <jkitchin@andrew.cmu.edu> > wrote: > >> >> This seems to do what you want for the changes. The timestamp is >> automatically added when you make changes. It does not propagate >> timestamps up though, so if you change a subheading the timestamp there >> is updated, but the one in the parent for example. also, this will >> update every headline. >> >> You may need to add another (add-hook 'org-mode-hook (lambda () >> (add-to-list 'after-change-functions 'update-last-edited))) kind of line >> to enable this in all org-files, the code below might be buffer local. >> >> #+BEGIN_SRC emacs-lisp >> (defun update-last-edited (beg end length) >> (when >> (and >> (not (org-before-first-heading-p)) >> (org-get-heading)) >> (org-entry-put nil "LAST-EDITED" (format-time-string "[%Y-%m-%d %a >> %H:%M:%S]")))) >> >> (add-to-list 'after-change-functions 'update-last-edited) >> #+END_SRC >> >> >> >> Xebar Saram writes: >> >> > Hi all >> > >> > coming back to it after 3 years :) >> > >> > im wondering if anyone has a hook or anything like that that auto adds a >> > date when he creates a header. and maybe also auto change the date each >> > time the text under the header is changed? kind of simulating a >> timestamp >> > type function :) >> > >> > best >> > >> > Z >> > >> > On Fri, Jul 26, 2013 at 11:49 PM, Dave Marquardt <davemarq@us.ibm.com> >> > wrote: >> > >> >> Xebar Saram <zeltakc@gmail.com> writes: >> >> >> >> > does any one know of a way to auto insert/change the date in each >> >> sections >> >> > header when the section is edited?IE have a date in the header >> showing >> >> > last edited date. >> >> > Is this technically possible? >> >> >> >> Try setting before-save-hook. See "(elisp) Saving Buffers". >> >> >> >> -Dave >> >> >> >> >> >> >> >> -- >> Professor John Kitchin >> Doherty Hall A207F >> Department of Chemical Engineering >> Carnegie Mellon University >> Pittsburgh, PA 15213 >> 412-268-7803 >> @johnkitchin >> http://kitchingroup.cheme.cmu.edu >> > > [-- Attachment #2: Type: text/html, Size: 5948 bytes --] ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2015-08-03 0:09 UTC | newest] Thread overview: 6+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2013-07-25 0:30 Auto insert and change date in header? Xebar Saram 2013-07-26 20:49 ` Dave Marquardt 2015-08-01 14:45 ` Xebar Saram 2015-08-01 16:05 ` John Kitchin 2015-08-02 18:34 ` Xebar Saram 2015-08-03 0:09 ` John Kitchin
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