Re: [org-babel] switching off (re-)evaluation of code blocks during Org export

[Eric Schulte <schulte.eric@gmail.com>]

Hi Torsten,

Change "non-export" to "no-export", see the manual for valid values for
the eval header argument.

Best -- Eric

Torsten Anders <torsten.anders@beds.ac.uk> writes:

> Dear Eric,
>
> Apologies for my late response (too much teaching and admin in this new job :-P). Thanks a lot again for kingly adding the "eval" header
> argument "non-export". From what I understand in your message this would be exactly what I was looking for (allow interactive
> evaluation, but inhibit code block evaluation during export). I just pulled the latest org sources and tested your addition. 
>
> Unfortunately, even when using this header argument value, code blocks in both Lilypond and Fomus are still executed when the buffer is exported to either PDF (via Latex) or HTML. 
>
> Below is a test that I understood should not execute during export. Am I missing something?
>
>
> #+begin_src fomus :eval non-export :results silent :file fomus-test.ly
> time 1 dur 1 pitch 60;
> #+end_src
> [[file:fomus-test.pdf]]
>
> Thanks a lot again! 
>
> Best wishes,
> Torsten
>
>
> On 22 Nov 2011, at 01:23, Eric Schulte wrote:
>
>> Hi Torsten,
>> 
>> Torsten Anders <torsten.anders@beds.ac.uk> writes:
>> 
>>> Dear Sebastien and Eric,
>>> 
>>> Thanks a lot for your kind replies. However, this is not yet quite what I am after.
>>> 
>>> I want to be able to manually execute each code block, but not
>>> automatically whenever the whole document is rendered. So, I would
>>> always switch on/off "eval never". Hm...
>>> 
>> 
>> I've just pushed up a patch which adds a new option to the "eval" header
>> argument.  Setting eval to "non-export" will now allow interactive
>> evaluation, but will inhibit code block evaluation during export.  This
>> should address your need as I understand it.
>> 
>>> 
>>> I will try out the ":cache" header argument. However, again this does
>>> not work so well, because for the languages I am using the :file
>>> argument does not work very well (I have to manually change
>>> extensions, so I include the resulting file links by hand anyway and
>>> set :results to silent.
>>> 
>>> So, I it sounds like few org-babel users is really running larger
>>> applications in their code blocks which can delay the export of the
>>> whole document considerably.
>>> 
>> 
>> I would not jump to that conclusion.  I have used babel code blocks to
>> cache the results of very long running results, however between the
>> :cache header argument and the ability to manually disassociate
>> generated results from code blocks I have not had any problems
>> inhibiting execution during export.
>> 
>> Best -- Eric
>> 
>>> 
>>> Anyway, thanks a lot for your feedback.
>>> 
>>> Best wishes,
>>> Torsten
>>> 
>>> 
>>> 
>>> 
>> 
>> -- 
>> Eric Schulte
>> http://cs.unm.edu/~eschulte/
>

-- 
Eric Schulte
http://cs.unm.edu/~eschulte/