From mboxrd@z Thu Jan  1 00:00:00 1970
From: Suvayu Ali <fatkasuvayu+linux@gmail.com>
Subject: Re: Switch for exported file types when evaluating code blocks
Date: Thu, 18 Jul 2013 04:02:06 +0200
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Hello again Malcolm,

On Thu, Jul 18, 2013 at 12:45:36AM +0000, Cook, Malcolm wrote:
> 
> I tend to work with org-export-babel-evaluate set to nil.  Thus, my code blocks are not evaled in the context of an export.  Thus at eval time there is no way of knowing what the eventual backend is going to be.
> 
> I think I need an approach that auto converts svg to png on-demand/on-the-fly during export.

In that case just use another source block with shell source.  In that
block you can call inkscape to do the conversion.  For an example, see
here:
<http://ctan.mirrorcatalogs.com/info/svg-inkscape/InkscapePDFLaTeX.pdf#subsubsection.2.3.1>

Hope this helps,

-- 
Suvayu

Open source is the future. It sets us free.