From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Eric Schulte" <schulte.eric@gmail.com>
Subject: Re: [babel] Questions about export and :var. Possible bug.
Date: Tue, 01 Jun 2010 16:57:54 -0600
Message-ID: <878w6x1nib.fsf@gmail.com>
References: <871vcvso51.wl%n.goaziou@gmail.com>
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To: Nicolas Goaziou <n.goaziou@gmail.com>
Cc: Org Mode List <emacs-orgmode@gnu.org>

Hi Nicolas,

Thanks for pointing out this error, and for the debugging work.

This has been fixed by changing the `org-babel-exp-results' function so
that it only prefixes actual references (i.e. not literal values, which
is checked using the `org-babel-ref-literal' function).

Thanks! -- Eric

Nicolas Goaziou <n.goaziou@gmail.com> writes:

> Hello.
>
> I tried to export something like this (git head) :
>
> #+begin_src R :var num=3 :exports results
> runif(n=num, min=0, max=1)
> #+end_src
>
> While it is fine when run with C-c C-c, I get the following error
> when trying to export the file :
>
> progn: reference '3' not found in this buffer
>
> So I investigated a bit and found something odd :
> - `org-babel-exp-results' adds `org-current-export-file' to any
>   assignment, even if num=/path/to/file/exported:3 doesn't make sense;
> - `org-babel-resolve-reference' doesn't filter out bad references like
>   this and throws the error above.
>
> So my questions are :
> - do we really need the "reference '%s' not found in this buffer" error, as it only means
>   %s was a literal value ?
> - or is it better to modify org-babel-exp-results to check the sanity
>   of the references it creates so that it doesn't add that reference
>   to the original file ?
>
> - Nicolas
>
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