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Re: [Orgmode] [org-babel] Dynamic Tangle?
From: |
Eric Schulte |
Subject: |
Re: [Orgmode] [org-babel] Dynamic Tangle? |
Date: |
Mon, 13 Dec 2010 13:58:39 -0700 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Hi Nathan,
The easiest way I can think of to accomplish templates would be through
some abuse of code block evaluation. Maybe something like the following
would work...
** tangle templates
#+source: template-heading
#+begin_src emacs-lisp
some stuff here
#+end_src
#+source: template-footing
#+begin_src emacs-lisp
some other stuff here
#+end_src
#+source: template
#+begin_src sh :results output :noweb yes :var body="body stuff"
heading=$(cat<<EOF
<<template-heading>>
EOF
)
footing=$(cat<<EOF
<<template-footing>>
EOF
)
echo $heading
echo "$body"
echo $footing
#+end_src
#+call: template[:noweb yes](body="something new")
#+results: template[:noweb yes](body="something new")
: some stuff here
: something new
: some other stuff here
I hope this makes sense, and isn't too gross looking, for a really clean
implementation the template function could be located in a different org
file using the library of babel.
Note, that this relies upon an improvement to variable escaping that I
just pushed up to the latest version in git.
Best -- Eric
Nathan Neff <address@hidden> writes:
> I'm preparing a presentation and I'm getting using tangle to show code /and/
> produce working code examples -- this is really cool.
>
> It is possible to define a "template" and pass code blocks to it?
> For example: (Using pseudo-org-babel-code for brevity)
>
> #+template
> header code
> <<code_that_is_passed_to_me>>
> footer code
>
> #+example1 :render #+template with 1111111
> 1111111111
>
> #+example2 :render #+template with 222222
> 222222222
>
> The tangled output would be:
>
> header code
> 11111111111
> footer code
>
> header code
> 2222222222
> footer code
>
> I'm already able to use org-babel like below, but I have to
> put a <<footer>> and a <<header>> in each code block.
>
> Here's my existing setup:
> #+header
> header code
>
> #+footer
> footer code
>
> #+example1
> <<header>> <-- I have to specify these <<header>> and <<footer>> in
> each code block
> 11111111111
> <<footer>>
>
> #+example2
> <<header>>
> 2222222222
> <<footer>>
>
> Thanks again for org-babel -- I'll post my presentation when I get it done.
>
> --Nate
>
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