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From: Andreas Leha <andreas.leha@med.uni-goettingen.de>
To: emacs-orgmode@gnu.org
Subject: Re: [babel] howto debug #+call lines
Date: Fri, 05 Oct 2012 23:06:43 +0200	[thread overview]
Message-ID: <87k3v4tyqk.fsf@med.uni-goettingen.de> (raw)
In-Reply-To: 87pq4x8www.fsf@gmx.com

Hi Eric,

> Andreas Leha <andreas.leha@med.uni-goettingen.de> writes:
>> Hi all,
>> I am getting different results from the evaluation of a source block and
>> the evaluation of a #+call line to that block.
>> Therefore, my question: Is there an equivalent to
>> org-babel-expand-src-block (C-c C-v v) for #+call lines?
>> Or more general:  How do I debug #+call lines?
>> Regards,
>> Andreas
> Can you provide a minimal example?
> You could write a code block equivalent to the call line.  E.g.,
>     #+call: foo(bar=1)
> is equivalent to
>     #+begin_src emacs-lisp :var results=foo(bar=1)
>       results
>     #+end_src

Thanks for following this up.  I found the problem in my case:  The
header argument ':colnames yes' was missing from the call line, such that
the passed variables were different.  (I've fallen into that trap
repeatedly, but do not learn, as it seems...)

It would have been a lot easier to find this, if I had had the possibility
to do C-c C-v v on the call line to get the chance to step through the
(R-) code that is evaluated.  Without this, it took me some time to
figure things out.

So the question still stands: Is there the possibility to see what is
actually executed with a call line, similar to C-c C-v v on a source

For a small example consider:

#+name: foo
| bar |
| baz |
| bam |

#+call: testblock[:var a=foo]() :colnames yes

#+name: testblock
#+begin_src R :var a=foo :colnames yes
  a <- a[,1]


  reply	other threads:[~2012-10-05 21:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-03 21:02 [babel] howto debug #+call lines Andreas Leha
2012-10-05  2:39 ` Eric Schulte
2012-10-05 21:06   ` Andreas Leha [this message]
2012-10-07  1:03     ` Eric Schulte
2012-10-08 12:35       ` Andreas Leha
2012-10-09  2:31         ` Eric Schulte
2012-10-09 16:15           ` Andreas Leha
2012-10-03 21:07 Andreas Leha

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