From mboxrd@z Thu Jan  1 00:00:00 1970
From: suvayu ali <fatkasuvayu+linux@gmail.com>
Subject: Re: Selective export of Babel code blocks
Date: Mon, 18 Jun 2012 19:08:06 +0200
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To: John Hendy <jw.hendy@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>

Hi John,

My R knowledge is zero, but I'll give it a shot.

On Mon, Jun 18, 2012 at 6:50 PM, John Hendy <jw.hendy@gmail.com> wrote:
> #+name: preamble
> #+begin_src R :exports none
> tikzDevice("file-name")
> #+end_src
>

Are you trying to use "file-name" as a variable? if so I think the
source block header should include this: ":var file-name" and the source
block can refer to the variable as $file-name.

> And by the org-mode Babel documentation it looks like I can do
> something like:
>
> <<preamble(file-name=file_1.tex)>>

I'm not sure about this. The syntax seems correct but I don't quite
understand the following statement from the manual:

  It is possible to include the _results_ of a code block rather than
  the body. This is done by appending parenthesis to the code block name
  which may optionally contain arguments to the code block as shown
  below.

       <<code-block-name(optional arguments)>>

My lack of knowledge of R doesn't help either. A little experimentation
should resolve it I think. :)

HTH

-- 
Suvayu

Open source is the future. It sets us free.