- my $doshish = ($^O eq 'MSWin32' or $^O eq 'os2');
- unless(($script =~ m#/# || ($dosish && $script =~ m#\\#))
- && -f $script)
- {
- my $dir;
- foreach $dir (File::Spec->path)
- {
- my $scr = File::Spec->catfile($dir, $script);
- if(-r $scr && (!$dosish || -x _))
- {
- $script = $scr;
-
- if (-f $0)
- {
- # $script has been found via PATH but perl could have
- # been invoked as 'perl file'. Do a dumb check to see
- # if $script is a perl program, if not then $script = $0
- #
- # well we actually only check that it is an ASCII file
- # we know its executable so it is probably a script
- # of some sort.
-
- $script = $0 unless(-T $script);
- }
- last;
- }
- }
- }
-