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Re: [Orgmode] [babel] noweb for :sessions?
From: |
Eric Schulte |
Subject: |
Re: [Orgmode] [babel] noweb for :sessions? |
Date: |
Mon, 19 Oct 2009 12:15:24 -0600 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.1.50 (darwin) |
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" <address@hidden> 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
>
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