Kaushal <kaushal.m...@gmail.com> writes:
> Hi all,
>
> There are quite few documents in which I want to update the date stamp to the
> last update time.
>
> I like that #+DATE keyword value is used aptly in latex/pdf and html exports.
>
> But I couldn't find an elegant way for that date to be updated to today's
> (last updated) date.
>
> I came up with the below. But please let me know if there's an inbuilt way to
> do the same.
>
> PART 1: Config in init.el
>
> ;; Update TODAY macro with current date
> (defun modi/org-update-TODAY-macro (&rest ignore)
> "Update TODAY macro to hold string with current date."
> (interactive)
> (when (derived-mode-p 'org-mode)
> (save-excursion
> (goto-char (point-min))
> (while (re-search-forward
> "^\\s-*#\\+MACRO:\\s-+TODAY"
> nil 'noerror)
> (forward-line 0)
> (when (looking-at ".*TODAY\\(.*\\)")
> (replace-match
> (concat " "
> (format-time-string "%b %d %Y, %a" (current-time)))
> :fixedcase :literal nil 1))))))
> (add-hook 'org-export-before-processing-hook
> #'modi/org-update-TODAY-macro)
>
> PART 2: org document where I want the #+DATE to auto update
>
> #+MACRO: TODAY [current date is auto-inserted when exporting]
> #+DATE: {{{TODAY}}}
>
There is a built-in-macro - try e.g.
#+DATE: {{{time(%Y-%m-%d)}}}
See
(info "(org) Macro replacement")
--
Nick
