From: "Eric Schulte" <schulte.eric@gmail.com>
To: Erik Iverson <eriki@ccbr.umn.edu>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: [babel] silent code block evaluation on export
Date: Wed, 01 Sep 2010 22:10:33 -0600 [thread overview]
Message-ID: <874oe8dbuu.fsf@gmail.com> (raw)
In-Reply-To: <4C7F0775.5060704@ccbr.umn.edu> (Erik Iverson's message of "Wed, 01 Sep 2010 21:09:57 -0500")
Erik Iverson <eriki@ccbr.umn.edu> writes:
> On 09/01/2010 08:37 PM, Eric Schulte wrote:
>> "Eric Schulte"<schulte.eric@gmail.com> writes:
>>
>>> Hi Erik,
>>>
>>> I believe that when a session is specified then all code blocks will be
>>> evaluated but their results will not be included in the exported output.
>>>
>>
>> To clarify the above,
>>
>> if a code block has a :session header argument, then it is assumed that
>> the block should be evaluated regardless of it's :export header
>> argument, because it could change the state of the session,
>
>
> Ahh, I never tried exactly that. However, this only seems to work
> if the :session is named.
>
> E.g., /:session *R* :exports none/ will do what you say,
>
> but not /:session :exports none/ , which may be a bug?
>
I agree this should be considered a bug. In general we need to be more
explicit about what happens when a header argument is used without any
explicit argument (this same issue just came up with :noweb).
Noted. Thanks -- Eric
>
>
>
> so in the
>> following simple example the first code block is evaluated on export
>> despite having an :exports none header argument, and this ensure that
>> the value of x is set for the second code block.
>>
>> --8<---------------cut here---------------start------------->8---
>> ** :session evaluation on export
>> This first block is evaluated but /doesn't/ appear in export.
>>
>> /:session *R* :exports none/
>> #+begin_src R :session *R* :exports none
>> x<- 8
>> #+end_src
>>
>> This second block /does/ appear in export.
>>
>> #+begin_src R :session *R* :exports results
>> x
>> #+end_src
>> --8<---------------cut here---------------end--------------->8---
>>
>> Cheers -- Eric
prev parent reply other threads:[~2010-09-02 4:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-31 18:42 [babel] silent code block evaluation on export Erik Iverson
2010-09-02 0:15 ` Eric Schulte
2010-09-02 1:37 ` Eric Schulte
2010-09-02 2:09 ` Erik Iverson
2010-09-02 4:10 ` Eric Schulte [this message]
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