On Mon, Mar 27, 2006 at 10:12:01AM -0500, Igor Peshansky wrote:
> On Mon, 27 Mar 2006, Eric Blake wrote:
>
> > According to cyg_win_user on 3/27/2006 3:12 AM:
> > > i m trying to read environment variable in perl using
> > >
> > > $OSTY = $ENV{OSTYPE};
> > > this will return os type as "linux" or "solaris". but when i try for
> > > cygwin it returns empty string. is the some other syntax of way of
> > > finding value of env variable in cygwin
> >
> > What shell are you using? OSTYPE is auto-set to "cygwin" by bash, but
> > not by other shells (including if you are starting perl directly from
> > cmd.com). Rather than reading an environment variable that is not
> > standardized and might not be set, you could always use 'uname -s'
> > instead.
>
> Or use Perl's builtin $^O variable, which should be auto-set to "cygwin"
> (all lowercase). "man perlvar" for more info.
All the possible values of $^O are listed in man perlport.
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