From: Eric S Fraga <ucecesf@ucl.ac.uk>
To: Dan Davison <dandavison7@gmail.com>
Cc: Emacs Org mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: [babel] ob-octave requires octave 3.2 or extra package
Date: Mon, 01 Nov 2010 08:46:11 +0000 [thread overview]
Message-ID: <87vd4hz6ta.fsf@pinto.chemeng.ucl.ac.uk> (raw)
In-Reply-To: 87pquq8gum.fsf@gmail.com
Dan Davison <dandavison7@gmail.com> writes:
> Eric S Fraga <ucecesf@ucl.ac.uk> writes:
>
>> Hello,
>>
>> Just a comment on requirements: ob-octave assumes the presence of the
>> =dlmwrite= function. This is available as standard with octave 3.2 but
>> requires an extra package (=octave-io=) if you have an older version
>> (3.0.x). All of this is for Debian systems; I cannot speak about others
>> of course.
>
> Hi Eric,
>
> Thanks. When dlmwrite is missing, is a helpful error message given?
> (When not using a session, if an error message is written to stdout,
> then it should pop up in a dedicated babel error message buffer).
yes, an error message is generated which is basically helpful enough.
However, it took a while for me to realise that the error was referring
to the octave code generated by babel to generate the output file
(i.e. the message refers to line 2 and I had no line 2 in my octave code
as it consisted of one expression).
> If the error message is not helpful, do you think we should
> programatically test for the function in octave code and display our
> own error message when it is absent?
I think this would be a good idea.
However, given that dlmwrite is available by default in octave 3.2, the
/stable/ version and one which will be the default in Debian stable
soon, it may simply be a case of extending the babel documentation to
highlight this.
> If you have time to add relevant notes to
> Worg:org-contrib/babel/languages/ob-doc-octave-matlab.org
> that would be much appreciated.
>
> Dan
I'll put it on my todo list... don't have much time at the moment but
hopefully next week I will.
--
Eric S Fraga
GnuPG: 8F5C 279D 3907 E14A 5C29 570D C891 93D8 FFFC F67D
prev parent reply other threads:[~2010-11-01 10:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-30 21:09 [babel] ob-octave requires octave 3.2 or extra package Eric S Fraga
2010-10-31 16:30 ` Dan Davison
2010-11-01 8:46 ` Eric S Fraga [this message]
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