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From: Andreas Leha <andreas.leha@med.uni-goettingen.de>
To: emacs-orgmode@gnu.org
Subject: Re: [babel] file header argument includes other variable
Date: Fri, 30 Mar 2012 21:23:51 +0200	[thread overview]
Message-ID: <87iphldha0.fsf@med.uni-goettingen.de> (raw)
In-Reply-To: 4F7465F0.2090708@gmail.com

Rainer M Krug <r.m.krug@gmail.com> writes:

> Hi
>
> I would like to do make the file header argument to be concatenated of a constant string and
> another variable, so effectively:
>
> #+header: :var+ ConNum="10"
> #+header: :results graphics
> #+header: :file SA_VALUEOFConNum.pdf
> #+header: :width 8
> #+header: :height 8
> #+header: :pointsize 8
> #+begin_src R
>   plot(runif(100))
> #+end_src
>
> #+RESULTS:
> [[file:SA_10.pdf]]
>
> Is this possible?
>
> Thanks,
>
> Rainer


Hi Rainer,

I am not aware of any method that directly does what you want.  But depending on
where the value of your variable ConNum is coming from, the
following might be a start for you.  It is based on the possibility to
insert elisp in the header arguments:

#+name: myconnum
- 19

#+header: :var ConNum=myconnum
#+header: :results graphics
#+header: :file (concat "SA_" (sbe myconnum) ".pdf")
#+header: :width 8
#+header: :height 8
#+header: :pointsize 8
#+begin_src R
  plot(runif(100), main=ConNum)
#+end_src

#+RESULTS:
[[file:SA_(19).pdf]]

Best,
Andreas

     prev parent reply	other threads:[~2012-03-30 19:24 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-29 13:38 [babel] file header argument includes other variable Rainer M Krug
2012-03-30 19:23 ` Andreas Leha [this message]

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