Re: [BABEL] Output with octave + [PATCH] x2

From: Dan Davison <davison@stats.ox.ac.uk>
To: Juan <Pechiar@computer.org>
Cc: emacs-orgmode@gnu.org, "d.tchin" <d.tchin@voila.fr>
Subject: Re: [BABEL] Output with octave + [PATCH] x2
Date: Sun, 01 Aug 2010 18:19:30 -0400	[thread overview]
Message-ID: <87hbje2cy5.fsf@stats.ox.ac.uk> (raw)
In-Reply-To: <20100801200727.GT5569@soloJazz.com> (Juan's message of "Sun, 1 Aug 2010 17:07:27 -0300")

Juan <Pechiar@computer.org> writes:

> Hi,
>
> I'm starting to work with ob-octave and found several problems:

Hi Juan,

Thanks very much. I've applied your patch with one minor change:

(format "%s" (or var "nil"))

However, is there a better way to receive an elisp nil value in octave?

> I'm not working with sessions, so I have not yet tested the original
> problem reported with 'org_babel_eoe' showing up as result.

Sorry to pursue you for more help, but that problem is not limited to
sessions. A very simple demonstration of it is

#+begin_src octave
x = 5
x
#+end_src

#+results:
: /usr/share/octave/packages/3.2

This happens because neither of these two lines of code alter the value
of 'ans' (I presume the value we are seeing is something from octave's
start-up sequence).

Contrast this with

#+begin_src octave
x = 5
x+0
#+end_src

#+results:
: 5.00000000e+00

Any idea of the best way forward?

Dan

>
> Regards,
> .j.
>
>
>
> On Sun, Aug 01, 2010 at 02:18:40PM -0400, Dan Davison wrote:
>> Eric S Fraga <ucecesf@ucl.ac.uk> writes:
>> > On Fri, 23 Jul 2010 16:59:43 +0000 (UTC), d.tchin <d.tchin@voila.fr> wrote:
>> >> I have problem to get output back in org mode file.
>
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