From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Hendy <jw.hendy@gmail.com>
Subject: Re: Running babel blocks in :noexport: sections
Date: Sun, 28 Oct 2012 12:23:19 -0500
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To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>

On Sat, Oct 27, 2012 at 5:57 PM, Eric Schulte <schulte.eric@gmail.com> wrote:
> John Hendy <jw.hendy@gmail.com> writes:
>
>> For papers and beamer presentations, I sometimes hide more "universal"
>> babel blocks inside a sort of setup headline. I thought I'd done this
>> before, but perhaps not... The idea would be like so:
>>
>> * Data setup     :noexport:
>>
>> #+begin_src R :session r
>>
>> load libraries
>> read data files
>> do universal operations
>>
>> #+end_src
>>
>> * Slide
>>
>> #+begin_src R :session r :exports results :results output graphics
>>
>> subset(larger_data_set_from_above)
>> processing
>> plot something
>>
>> #+end_src
>>
>> I noticed today that my :noexport: setup sections (I had a couple)
>> were not updating. I re-defined a variable name further down in my
>> file and it was re-using the definition from an above setup section
>> (tagged with :noexport:). Just because I don't want it export doesn't
>> mean I don't want to have useful stuff in the headline...
>>
>> Is this a bug/inappropriate setting, desirable based on how others use
>> :noexport: headlines, or would others see value in executing babel
>> blocks in :noexport: headlines?
>>
>> If I /didn't/ want it executed, I'd use :execute no.
>>
>>
>> Thanks for any input,
>> John
>>
>
> Instead of tagging the headline as :noexport: you can add the COMMENT
> flag to it.  This should result in your desired behavior.  See the
> attached example.
>
>

Brilliant. That'll do just fine. Never knew about that!

John

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