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From: "Charles C. Berry" <ccberry@ucsd.edu>
To: Rainer M Krug <Rainer@krugs.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: Tangling from code block and header arguments WAS: Format output of org-babel-tangle for exported file
Date: Wed, 3 Sep 2014 09:56:09 -0700	[thread overview]
Message-ID: <alpine.OSX.2.00.1409030937040.345@charles-berrys-macbook.local> (raw)
In-Reply-To: <m2lhq0g11f.fsf_-_@krugs.de>

On Wed, 3 Sep 2014, Rainer M Krug wrote:

> Charles Berry <ccberry@ucsd.edu> 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.
>>>

[original question nd answer deleted]


> 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
>
> * DESCRIPTION File
> :PROPERTIES:
> :header-args+: :tangle ./DESCRIPTION
> :END:
>
> #+begin_src RDescr
> test
> #+end_src
>
> * And the tangling
> #+BEGIN_SRC emacs-lisp :results value
> (mapconcat (lambda (x) (file-relative-name x "..")) (org-babel-tangle) "\n")
> #+END_SRC
>
> #+RESULTS:
>
> --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?

I think this is a bug.

Here is an ECM to demo it.

Note that the :tangle header arg for the 'Descr' src block is correctly 
rendered from the DESCRIPTION subtree, but not from the 'new heading' 
subtree.



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

* DESCRIPTION File
:PROPERTIES:
:header-args: :tangle ./DESCRIPTION
:END:

#+NAME: Descr
#+begin_src RDescr
test
#+end_src

#+BEGIN_SRC emacs-lisp :results pp
   (save-excursion
     (org-babel-goto-named-src-block "Descr")
     (assoc :tangle (nth 2 (org-babel-get-src-block-info))))
#+END_SRC

#+RESULTS:
: (:tangle . "./DESCRIPTION")



* new heading

#+BEGIN_SRC emacs-lisp :results pp
   (save-excursion
     (org-babel-goto-named-src-block "Descr")
     (assoc :tangle (nth 2 (org-babel-get-src-block-info))))
#+END_SRC

#+RESULTS:
: (:tangle . "no")

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



HTH,

Chuck

     prev parent reply	other threads:[~2014-09-03 16:56 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-03 13:08 Format output of org-babel-tangle for exported file Rainer M Krug
2014-09-03 13:30 ` Rainer M Krug
2014-09-03 14:19 ` Charles Berry
2014-09-03 15:46   ` Tangling from code block and header arguments WAS: " Rainer M Krug
2014-09-03 16:56     ` Charles C. Berry [this message]

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