'-x filehandle': True if filehandle is executable.
#!/usr/bin/perl -w $dir = "c:\\"; opendir(DIR, $dir) or die "Can't open $name due to $!"; @entries = readdir(DIR); closedir(DIR); @sorted = sort(@entries); foreach $entry (@sorted) { $name = $dir . '/' . $entry; print "$name "; if (-x $name) { print "x"; } else { print "-"; } }