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[O] Tangling from code block and header arguments WAS: Format output of

From: Rainer M Krug
Subject: [O] Tangling from code block and header arguments WAS: Format output of org-babel-tangle for exported file
Date: Wed, 03 Sep 2014 17:46:04 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (darwin)

Charles Berry <address@hidden> writes:

> Rainer M Krug <Rainer <at> krugs.de> writes:
>> Hi
>> I am calling (org-bable-tangle) in a code block in an org file and I
>> would show the files resulting from the tangling in a nice format.
>> But I do not manage. I have the following at the moment:
>> --8<---------------cut here---------------start------------->8---
>> #+begin_src emacs-lisp 
>> (replace-regexp-in-string "[)\"]" ""
>>      (replace-regexp-in-string "[(]" "- "
>>           (replace-regexp-in-string " " "\n- "
>>                (prin1-to-string (org-babel-tangle)))))
>> #+end_src
> [snip]
>> Which is neither elegant nor short, and I am sure I could do this
>> easier. Any suggestions?
> Something like this? Possibly with `(reverse (org-babel-tangle))'
> #+BEGIN_SRC emacs-lisp :results value
> (mapconcat (lambda (x) (file-relative-name x "..")) (org-babel-tangle) "\n")

Thanks - this looks promising.

But I now have another problem: The result of tangling from a code block
is different then when calling interactively.

Consider the following org file:

--8<---------------cut here---------------start------------->8---
#+PROPERTY: header-args :tangle no

:header-args+: :tangle ./DESCRIPTION

#+begin_src RDescr

* And the tangling
#+BEGIN_SRC emacs-lisp :results value
(mapconcat (lambda (x) (file-relative-name x "..")) (org-babel-tangle) "\n")


--8<---------------cut here---------------end--------------->8---

When tangling interactively, the file DESCRIPTION is tangled properly.
But when I call (org-babel-tangle) from the code block, nothing is
tangled because in this case, the property =tangle= is equal to =no=
based on the file wide property setting in the beginning.

Is this a bug or is it simply not possible to tangle from a code block?



> HTH,
> Chuck

Rainer M. Krug
email: Rainer<at>krugs<dot>de
PGP: 0x0F52F982

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