From: tsd@tsdye.com (Thomas S. Dye)
To: Torsten Wagner <torsten.wagner@gmail.com>
Cc: Org Mode Mailing List <emacs-orgmode@gnu.org>
Subject: Re: [babel] eval code only once :eval once
Date: Tue, 10 Apr 2012 08:31:32 -1000 [thread overview]
Message-ID: <m1zkajo2uz.fsf@tsdye.com> (raw)
In-Reply-To: <CAPaq-gOGfQvPrt+sPV9__XDvEKuMmB9xKRJ2dFCp0YdWNg+hww@mail.gmail.com> (Torsten Wagner's message of "Tue, 10 Apr 2012 19:08:22 +0900")
Torsten Wagner <torsten.wagner@gmail.com> writes:
> Hi,
> I started to use lisp (as well as other) code blocks more and more to
> modify my work environment (emacs) for a particular (buffer-based)
> task.
> That is I change some variables, add some stuff etc.
> A real world example is for example the section below
>
> * Set-up :nonexport:
> #+source: setup-minted
> #+begin_src emacs-lisp :exports none :results silent
> (setq org-export-latex-listings 'minted)
> (setq org-export-latex-custom-lang-environments
> '(
> (emacs-lisp "common-lispcode")
> ))
> (setq org-export-latex-minted-options
> '(("frame" "lines")
> ("fontsize" "\\scriptsize")
> ("linenos" "")))
> (setq org-latex-to-pdf-process
> '("pdflatex -shell-escape -interaction nonstopmode
> -output-directory %o %f"
> "pdflatex -shell-escape -interaction nonstopmode
> -output-directory %o %f"
> "pdflatex -shell-escape -interaction nonstopmode
> -output-directory %o %f"))
> #+end_src
>
> This are settings from worg, which I use only during my work on that
> particular file/buffer e.g. to modify the export of the following
> beamer presentation.
> Whenever I load the buffer I jump to set-up and hit C-c C-C to execute
> it once. After that exports will do what I want.
> If I would change the above to :exports results and :results silent I
> would be asked to execute the code block on every export.
> Thanks to the new auto completion feature, I came across :eval and
> wonder if it makes sense to add
> :eval once
> and
> :eval once-query
>
> Which would allow to execute it only once (with query) if not called
> before and otherwise keeps quite.
> That would make *Set-up blocks much more efficient.
> Was thinking why there is no 'no-query' resp. 'always' flag which
> would execute code blocks without query even if asked for it in
> general but that would be somehow against safety measures ;)
>
> Totti
>
>
Aloha Totti,
Will :cache yes do what you want?
Tom
--
Thomas S. Dye
http://www.tsdye.com
next prev parent reply other threads:[~2012-04-10 18:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-10 10:08 [babel] eval code only once :eval once Torsten Wagner
2012-04-10 18:31 ` Thomas S. Dye [this message]
2012-04-16 10:50 ` Sebastien Vauban
2012-04-17 16:15 ` Thomas S. Dye
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