From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Berry, Charles" <ccberry@ucsd.edu>
Subject: Re: how to get version information on title slide with org beamer
Date: Sat, 26 Aug 2017 23:54:09 +0000
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To: Eric S Fraga <esflists@gmail.com>
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> On Aug 26, 2017, at 10:57 AM, Eric S Fraga <esflists@gmail.com> wrote:
>=20
> Hello all,
>=20
> I know I can use {{{modification-time(...,t)}}} say to get the revision
> control system information about when the repository was last
> modified.  However, I would like to have other information (e.g. the
> mercurial id).  More importantly, I would like this information to
> appear on my beamer export title slide.
>=20
> I have tried
>=20
> #+date: \copyright {{{time(%Y)}}}, version src_shell{hg id --num}
>=20
> for instance but babel blocks are not executed for these
> lines.  Putting this text in a macro doesn't help either.
>=20
> Any suggestions?
>=20

Use a :post header to format a date keyword line.

Something like:


--8<---------------cut here---------------start------------->8---

#+NAME: mydateline
#+BEGIN_SRC emacs-lisp
(format "#+DATE: %s\n" *this*)=20
#+END_SRC

src_shell[:post mydateline() :results raw]{date}=20

* intro

et cetera
--8<---------------cut here---------------end--------------->8---

Chuck