Re: Embedded code

From: Dan Davison <dandavison7@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Embedded code
Date: Wed, 19 Jan 2011 23:54:39 +0000	[thread overview]
Message-ID: <m1vd1kbgao.fsf@94.197.142.47.threembb.co.uk> (raw)
In-Reply-To: 8762tmfa74.fsf@gmail.com

"Eric Schulte" <schulte.eric@gmail.com> writes:

> Rainer M Krug <r.m.krug@gmail.com> writes:
>
>> On 01/18/2011 12:48 AM, Eric Schulte wrote:
>>> Hi,
>>> 
>>> This is possible using Babel, the attached org-mode file will execute
>>> its code block every time it is opened.  You can replace the contents of
>>> the code block with any arbitrary elisp you would like to have executed
>>> in the file.
>>> 
>>> To see this work, save the attached org-mode file to your system, open
>>> the file, answer "y" to allow execution, and then check your messages
>>> buffer for the "I have been run" message to see that the code block has
>>> in fact been evaluated.
>>
>> This is indeed very useful (e.g. if I open an R script, to open an R
>> session and source the file).
>>
>> But it seems that all code blocks are evaluated on loading. Is there a
>> way of only executing a specific code block?
>>
>
> Yes, replace the 
>
> # -*- eval: (org-babel-execute-buffer) -*-
>
> with
>
> # -*- eval: (save-excursion (org-babel-goto-named-src-block NAME) (org-babel-execute-src-block)) -*-

I think `sbe' can be used here for a nice short version. E.g.

# -*- eval: (sbe NAME) -*-

or this at the end

# Local variables:
# eval:(sbe NAME)
# End:

where NAME is a double-quoted string.

Dan

>
> where NAME is replaced with the name of the code block to execute.
>
> Cheers -- Eric
>
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