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Re: [O] input data for babel blocks
From: |
Thomas S. Dye |
Subject: |
Re: [O] input data for babel blocks |
Date: |
Tue, 01 Oct 2013 09:06:25 -1000 |
Hi Chuck,
Neat. Thanks for sharing.
All the best,
Tom
Charles Berry <address@hidden> writes:
> Alan Schmitt <alan.schmitt <at> polytechnique.org> writes:
>
>>
>> Hi Charles,
>>
>> ccberry <at> ucsd.edu writes:
>>
>> > Lacking that, another alternative to the approach you have crafted is to
>> > use elisp src blocks to set up the commands needed to create the
>> > objects,
>> > and then place the results of executing the elisp src block in the src
>> > block of your favored language using noweb, for example
>> >
>> > #+BEGIN_SRC mylang :noweb yes
>> > <<elisp-conversion-to-mylang("arg1","arg2")>>
>> > #+END_SRC
>> >
>> > might convert 'arg2' to an object of the desired type named 'arg1' in a
>> > 'mylang' src block.
>>
>> This looks like a very powerful approach, but it's a bit beyond my
>> understanding of babel (which is limited) and noweb (whose existence I
>> just discovered after reading http://orgmode.org/manual/noweb.html).
>>
>
> Sorry if it was a bit obtuse. The examples given by others seem to have
> helped. And I will give one more.
>
> [deleted]
>
>> If you have an example that uses different languages, I'd love to look
>> at it. I'll then try to write an example for ocaml.
>>
>
>
> Here is what I use for LaTeX thru elisp to R:
>
>
>
> * Quote Blocks
>
> quote-blks takes two args:
>
> - blk :: a string of comma separated src block names
> - sep :: an optional separator for use when there is more than one
> block
>
> I usually save it in a file and load it in with
> (org-babel-lob-ingest file). But you can copy and paste and the example
> below will still work.
>
> #+name: quote-blks
> #+BEGIN_SRC emacs-lisp :var blk="abc" :var sep="\"\n\""
> (save-excursion
> (replace-regexp-in-string "\"\"" ""
> (mapconcat
> (lambda (x)
> (org-babel-goto-named-src-block x)
> (format "%S" (cadr (org-babel-get-src-block-info t))))
> (split-string blk "," t)
> sep)
> t t))
>
> #+END_SRC
>
>
> * example of use
>
>
> The LaTeX here can be editted via C-c '
> (i.e. org-edit-special --> org-edit-src-code).
>
> #+name: lstuff
> #+BEGIN_SRC latex :eval never :exports none
> Here is a \backslash. And an unmatched quote: '.
> #+END_SRC
>
>
> Here is an example using it on the above block.
>
> The cat statement prints a formatted version. The str statement shows
> what R sees (but the outer quotes are not part of the string).
>
> #+BEGIN_SRC R :noweb yes :results output
> some.latex <-
> <<quote-blks("lstuff")>>
> cat(some.latex,"\n")
> str(some.latex)
> #+END_SRC
>
> #+RESULTS:
> : Here is a \backslash. And an unmatched quote: '.
> : chr "Here is a \\backslash. And an unmatched quote: '."
>
> HTH,
>
> Chuck
>
>
>
--
Thomas S. Dye
http://www.tsdye.com