From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rainer M Krug Subject: Re: [babel] Error with source block and variable on export - bug? Date: Sat, 04 Sep 2010 17:05:37 +0200 Message-ID: <4C826041.6020000@gmail.com> References: <4C80B94B.702@gmail.com> <8739truerx.fsf@gmail.com> <4C8106FF.3060707@gmail.com> <4C810AC4.2000304@gmail.com> <878w3iuatn.fsf@gmail.com> <8739tqpvep.wl%ucecesf@ucl.ac.uk> Reply-To: R.M.Krug@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from [140.186.70.92] (port=35439 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OruJP-0006L1-Ra for emacs-orgmode@gnu.org; Sat, 04 Sep 2010 11:05:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OruJL-0007Rn-Mo for emacs-orgmode@gnu.org; Sat, 04 Sep 2010 11:05:47 -0400 Received: from mail-ww0-f49.google.com ([74.125.82.49]:59166) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OruJL-0007Rc-Ii for emacs-orgmode@gnu.org; Sat, 04 Sep 2010 11:05:43 -0400 Received: by wwb24 with SMTP id 24so3666291wwb.30 for ; Sat, 04 Sep 2010 08:05:42 -0700 (PDT) In-Reply-To: <8739tqpvep.wl%ucecesf@ucl.ac.uk> List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: e.fraga@ucl.ac.uk Cc: Eric S Fraga , emacs-orgmode -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 03/09/10 19:51, Eric S Fraga wrote: > On Fri, 03 Sep 2010 09:05:24 -0600, "Eric Schulte" wrote: >> >> Rainer M Krug writes: >> >>> On 03/09/10 16:32, Rainer M Krug wrote: >>>> On 03/09/10 15:40, Eric Schulte wrote: >>>>> Hi Rainer, >>>> >>>>> As part of the export process Org-mode copies the contents of the >>>>> Org-mode file to a temporary buffer in which the business of exportation >>>>> is performed. This temporary buffer is not associated with any file so >>>>> (buffer-file-name) returns nil, which is causing the problem you are >>>>> experiencing. I think the best solution would be to replace the call to >>>>> (buffer-file-name) with the actual name of the file, e.g. >>>> >>>>> #+begin_src sh :var file=(vc-working-revision "~/src/babel-dev/scraps.org") :exports results >>>>> echo $file Revision >>>>> #+end_src >>>> >>>> Hi Eric >>>> >>>> thanks a lot for the clarification - that makes perfect sense. I will do >>>> as suggested. >>> >>> Thanks - it is working now. >>> But it is a little bit awkward to have the file name (incl. path) >>> somewhere in the document - can create some problems when renaming the >>> file or saving it somewhere else). >>> Is it possible to define it as a kind of variable (property?) in the >>> headers of the file and reference it in the org file later? >>> >> >> Oh, >> >> I've just remembered that during export Org-mode saves this file-name >> information in the temporary variable `org-current-export-file'. >> >> So the following will work, even though it relies upon undocumented >> internals of Org-mode which could change at some point. >> >> #+begin_src sh :var file=(vc-working-revision (or (buffer-file-name) org-current-export-file)) :exports results >> echo $file Revision >> #+end_src >> >> Cheers -- Eric > > And this works very well with an inline src snippet (tested with git > and RCS). Very nice! Thanks a lot Eric F. - that inline syntax was also something I was looking for - I'll put it into my document on Monday morning. Cheers, Rainer > > ,---- > | * revision control > | The version of this file is > | src_emacs-lisp{(vc-working-revision (or (buffer-file-name) org-current-: export-file))}. > `---- > > Thanks! - -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Natural Sciences Building Office Suite 2039 Stellenbosch University Main Campus, Merriman Avenue Stellenbosch South Africa Tel: +33 - (0)9 53 10 27 44 Cell: +27 - (0)8 39 47 90 42 Fax (SA): +27 - (0)8 65 16 27 82 Fax (D) : +49 - (0)3 21 21 25 22 44 Fax (FR): +33 - (0)9 58 10 27 44 email: Rainer@krugs.de Skype: RMkrug -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkyCYEEACgkQoYgNqgF2egpyawCfddO7cMpDcy0TC4qKTUziRbJ9 GAsAn0l89S6NuEDxzq1lNkE21sW6HWaI =meaV -----END PGP SIGNATURE-----