Re: [OctDev] isunix() returns 1 under cygwin

[William P. Y. H. <wil...@gm...>]

On 12/27/05, Andy Adler <ad...@nc...> 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 =3D isunix ()

  if (nargin =3D=3D 0)
    retval =3D 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)