From help-request at octave dot org Tue Dec 27 01:20:32 2005
Subject: Re: [OctDev] isunix() returns 1 under cygwin
From: William Poetra Yoga Hadisoeseno <williampoetra at gmail dot com>
To: Andy Adler <adler at ncf dot ca>
Cc: etienne at cs dot uky dot edu, Octave Forge <octave-dev@lists.sourceforge.net>,         Octave Help <help@octave.org>
Date: Tue, 27 Dec 2005 15:18:26 +0800

On 12/27/05, Andy Adler <adler at ncf dot ca> wrote:
> The semantics of 'isunix' depends on what you mean by UNIX.
> Strictly speaking, only certain well defined OSes are UNIX. Linux,
> for example, is not.
>
> On the other hand, maybe UNIX means OSes that behave like
> UNIX in most ways. cygwin has UNIX process semantics
> (ie. fork) and file semantics (symlinks, select on files, etc.)
>
> So, is cygwin UNIX? Clearly, a mingwin octave is not unix.
>
> Maybe isunix should make a specific test.
>

In Octave 2.9.4, isunix() is implemented as

function retval = isunix ()

  if (nargin == 0)
    retval = octave_config_info ("unix");
  else
    usage ("isunix ()");
  endif

endfunction

AFAIK, it returns 1 on Cygwin (I know this by reading the sources, so
I'm not very sure)



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------