From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Schulte <schulte.eric@gmail.com>
Subject: Re: Running babel blocks in :noexport: sections
Date: Sat, 27 Oct 2012 16:57:36 -0600
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	(John Hendy's message of "Sat, 27 Oct 2012 14:03:20 -0500")
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To: John Hendy <jw.hendy@gmail.com>
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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.


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Content-Type: text/x-org
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#+Title: example

* COMMENT not exported but run
#+name: the-date
#+begin_src sh
  date
#+end_src

* exported and able to call into un-exported subtrees
The date today is,
#+call: the-date()

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

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