Re: [babel] noweb for :sessions?

From: "Thomas S. Dye" <tsd@tsdye.com>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: [babel] noweb for :sessions?
Date: Mon, 19 Oct 2009 08:40:34 -1000	[thread overview]
Message-ID: <1CC6DD15-EF97-4330-AA3F-BE7F22386A6B@tsdye.com> (raw)
In-Reply-To: <m2zl7nb683.fsf@gmail.com>

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Hi Eric,

Yes, I think that's it.  I appreciate your help.  org-babel has me  
feeling like a kid at Christmas.

Tom

Thomas S. Dye, Ph.D.
T. S. Dye & Colleagues, Archaeologists, Inc.
Phone: (808) 529-0866 Fax: (808) 529-0884
http://www.tsdye.com

On Oct 19, 2009, at 8:15 AM, Eric Schulte wrote:

> Hi Tom,
>
> That is an interesting proposal, and surprisingly simple to implement.
> Please pull the latest version of Org-mode, and you will find that  
> there
> is now a :noweb header argument available for source-code blocks which
> has the effect of expanding noweb references before source-block
> evaluation (as you suggested below).  So for example the following
> works.
>
> --8<---------------cut here---------------start------------->8---
> #+srcname: noweb-example
> #+begin_src ruby
>  a = 28
> #+end_src
>
> #+begin_src ruby :noweb
>  # <<noweb-example>>
>  a + 4
> #+end_src
>
> #+resname:
> : 32
> --8<---------------cut here---------------end--------------->8---
>
> Does this satisfy the behavior you were suggesting?
>
> Thanks for the idea! -- Eric
>
> "Thomas S. Dye" <tsd@tsdye.com> writes:
>
>> Aloha all,
>>
>> Is it possible to define frequently used code snippets in a generic  
>> way so they can be used in different
>> sessions?
>>
>> Something like this is what I have in mind:
>>
>> #+srcname: r-connect
>> #+begin_src R :exports none :session any
>> library(rMySQL)
>> con <- dbConnect(MySQL(), user="user_name", password="password",
>>                     dbname="db_name", host="host_name")
>> #+end_src
>>
>> #+srcname: r-query
>> #+begin_src R :session session-1
>> # <<r-connect>>
>> res <- dbGetQuery(con, "select * from table_name where 1")
>> #+end_src
>>
>> Tom
>>
>> Thomas S. Dye, Ph.D.
>>
>> T. S. Dye & Colleagues, Archaeologists, Inc.
>>
>> Phone: (808) 529-0866 Fax: (808) 529-0884
>>
>> http://www.tsdye.com
>>
>> _______________________________________________
>> Emacs-orgmode mailing list
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>> Emacs-orgmode@gnu.org
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