From help-octave-request at bevo dot che dot wisc dot edu  Fri Nov 26 23:10:52 1999
Subject: Re: Sparse functions for octave
From: Mike Miller <mbmiller at taxa dot psyc dot missouri dot edu>
To: help-octave <help-octave at bevo dot che dot wisc dot edu>
Date: Fri, 26 Nov 1999 23:10:50 -0600 (CST)

On Sat, 27 Nov 1999, A+A Adler wrote:

> Also, while putting together a test script for the sparse 
> functions I use exist('__OCTAVE_VERSION__') to destinguish
> octave from Matlab. This no longer works in 2.1.19
> 
>    octave-2.1.19:1> __OCTAVE_VERSION__ 
>    __OCTAVE_VERSION__ = 2.1.19
>    octave-2.1.19:2> exist('__OCTAVE_VERSION__')
>    ans = 0
>    
> However,   
>    octave-2.0.14:1> __OCTAVE_VERSION__
>    __OCTAVE_VERSION__ = 2.0.14
>    octave-2.0.14:2> exist('__OCTAVE_VERSION__')
>    ans = 1


I'm appending an earlier message on this topic.  Note that, for some
reason, we were talking about using 'OCTAVE_VERSION' instead of
'__OCTAVE_VERSION__'.  On my system, exist('OCTAVE_VERSION') returns '5'
(I'm running Octave 2.0.14).

Mike

-- 
Michael B. Miller
University of Missouri--Columbia
http://taxa.psyc.missouri.edu/~mbmiller/


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Date: Fri, 8 Oct 1999 12:14:44 -0500 (CDT)
From: John W. Eaton <jwe at bevo dot che dot wisc dot edu>
To: Mike Miller <mbmiller at taxa dot psyc dot missouri dot edu>
Cc: Help-Octave List <help-octave at bevo dot che dot wisc dot edu>
Subject: Re: Same script for octave/matlab

On  8-Oct-1999, Mike Miller <mbmiller at taxa dot psyc dot missouri dot edu> wrote:

| On Fri, 8 Oct 1999, Runar Soeraasen wrote:
| 
| > I am using:
| > if exist('OCTAVE_VERSION')
| 
| That's a really neat idea.  One question: Will OCTAVE_VERSION exist on all
| platforms and in all future versions of Octave?

I think it is unlikely to go away, so relying on it as a way to see if
a program is being interpreted by Octave is probably OK.

jwe



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