thanks for that solution! I will give it a try!
On Thu, Aug 29, 2013 at 5:15 PM, Charles Berry <ccbe...@ucsd.edu> wrote:
> Johannes Rainer <johannes.rainer <at> gmail.com> writes:
>
> >
> >
> > hi,
> > I was just wondering if there is a way to use macro expansion also in
> > source code blocks or headers. I tried this, but the macro was never
> > expanded, but rather the {{{image_width}}} was exported. could the
> > expansion be done by calling the macro expansion before export
> > (e.g. using a hook)?
> >
> > something like this:
>
> [snip]
>
> I think the answer is no. But you can accomplish much the same thing with
> properties and/or noweb references. Like this
>
> * header
> :PROPERTIES:
> :image_width: 16
> :END:
>
> #+NAME: imwide
> #+HEADER: :var iw=(org-entry-get (point) "image_width")
> #+BEGIN_SRC R :results value
> iw
> #+END_SRC
>
> #+RESULTS: imwide
> : 16
>
>
> #+BEGIN_SRC R :noweb yes :results output
> image.width <-
> <<imwide()>>
> image.width
> #+END_SRC
>
> #+RESULTS:
> : [1] 16
>
>
>
>
>
--
Johannes Rainer, PhD
Applied Bioinformatics Group,
Division Molecular Pathophysiology,
Biocenter, Medical University Innsbruck,
Innrain 80/82 II, 6020 Innsbruck, Austria
and
Tyrolean Cancer Research Institute
Innrain 66, 6020 Innsbruck, Austria
Tel.: +43 (0)512 9003 70961
Email: johannes.rai...@i-med.ac.at
johannes.rai...@tcri.at
URL: http://bioinfo.i-med.ac.at
