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[Orgmode] Re: conditional export based on target

From: Ezequiel Birman
Subject: [Orgmode] Re: conditional export based on target
Date: Tue, 02 Nov 2010 16:41:05 -0300
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux)

>>>>> "JP" == Juan Pechiar <address@hidden> writes:

    > On Thu, Oct 07, 2010 at 01:24:28AM -0300, Ezequiel Birman wrote:
    >> Is there something like conditional export? I'd like to use tikz
    >> when exporting to latex but my own hand-made ascii drawing when
    >> exporting to ascii/latin1/utf8.

    > Hi,

    > I've been thinking on your request, and today this appeared on the
    > list which is quite similar:

    > http://lists.gnu.org/archive/html/emacs-orgmode/2010-10/msg01106.html

    > It seems as if block settings can be lisp function calls rather
    > than a fixed string.

    > So, for example:

    > //------------------------------------------------------------ **
    > Test conditional export

    > #+source: test_output #+begin_src octave :results value vector
    > :exports (if (and (boundp 'htmlp) htmlp) "none" "results" )
    > rand(2) #+end_src

    > #+results: test_output | 0.3982018019389448 | 0.3879818701032038 |
    > | 0.8053847746148466 | 0.3333630867175288
    > | ------------------------------------------------------------

    > Will export nothing to HTML, and the resulting output to other
    > formats.

    > Values for 'exports' can be 'both', 'none', 'code' or 'results';
    > and there are export flags latexp, htmlp, asciip, docbookp.

    > I tested the above example, and it "mostly" works. Sometimes not,
    > and I don't yet know why.

Thank you Juan. This seems to work *always*. I had to remove the
'results: ...' portion but I don't understand why...

#+source: tree1_latex
#+BEGIN_SRC latex :exports (if (and (boundp 'latexp) latexp) "results" "none")
    [every node/.style={draw,fill=white,circle,inner sep=0pt,minimum size=1em},
     level distance=3em,
     level 1/.style={sibling distance=8em},
     level 2/.style={sibling distance=4em},
     level 3/.style={sibling distance=2em}]
    \node [level distance=0pt,style={draw=none,minimum size=0pt}] {}
      child {node {} edge from parent [draw=none]
        child {node {} 
          child {node {} }
          child {node [style={fill=black}] {}}}
        child {node [style={fill=black}] {}
          child {node {} }
          child {node [style={fill=black}] {} }}}
      child {node [style={fill=black}] {} edge from parent [draw=none]
        child {node {}
          child {node {} }
          child {node [style={fill=black}] {} }}
        child {node [style={fill=black}] {}
          child {node {}}
          child {node [draw=none,style={shade}] {} edge from parent [dashed]}}};

#+source: tree1_ascii
#+BEGIN_SRC emacs-lisp :exports (if (and (boundp 'asciip) asciip) "results" 
"        B               N\\\\
      /   \\           /   \\\\\\
    B       N       B       N\\\\
   / \\     / \\     / \\     / \\\\\\
  B   N   B   N   B   N   B  (N)"

I still don't know how to export the TikZ code to latex but a png or svg
(generated by TikZ) to html.

Also, if anyone can think of a better or different approach I'll be

Ezequiel Birman

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