Re: Re: return link to :file when using #+call

[Myles English <mylesenglish@gmail.com>]

Thanks for your answer Eric.  Recent changes as per
http://thread.gmane.org/gmane.emacs.orgmode/35396
means that this no longer works.

To recap: what I would like to do is to #+call an R source
block, passing a filename, and have it write a plot to that file and
also insert a link to that file in the org file.  Any ideas?

Here is what I have tried:

#+source: foo()
#+begin_src R :file bar.png :results graphics
plot(1,1)
#+end_src

#+call: foo[:file baz.png]()

#+results: foo[:file baz.png]()
: baz.png

baz.png contains a plot, but no file link is inserted.

#+call: foo()

#+results: foo()
: bar.png

bar.png contains a plot, but no file link is inserted.

#+call: foo[:file biff.png]() :file biff.png

#+results: foo[:file biff.png]()
[[file:biff.png]]

a file link is inserted but file biff.png contains 'biff.png'

#+call: foo[:file pow.png]() :file pow.png :results graphics

#+results: foo[:file pow.png]()
[[file:pow.png]]

a file link is inserted but file pow.png contains 'pow.png'

Thanks,

Myles


On Wed, 05 Jan 2011 23:28:00 -0700
"Eric Schulte" <schulte.eric@gmail.com> wrote:

> Hi Myles,
> 
> Currently I believe the best option is the solution you posted below,
> the file name is repeated because both the code block and the call
> line need to know the file name to create the file and the link
> respectively.
> 
> Cheers -- Eric
> 
> Myles English <mylesenglish@gmail.com> writes:
> 
> > Myles English <mylesenglish <at> gmail.com> writes:
> >
> >> #+source: foo()
> >> #+begin_src R :file bar.png
> >> plot(1,1)
> >> #+end_src
> >
> > This works but I have to repeat the filename:
> >
> > #+call: foo[:file baz.png]() :file baz.png
> >
> > #+results: foo[:file baz.png]()
> > [[file:baz.png]]
> >
> >   Myles
> >
> >
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