@oops = @ops = <op/*>;
-map { $files{$_}++ } <op/*>;
-map { delete $files{$_} } split /[\s\n]/, `echo op/*`;
+if ($^O eq 'MSWin32') {
+ map { $files{lc($_)}++ } <op/*>;
+ map { delete $files{"op/$_"} } split /[\s\n]/, `cmd /c "dir /b /l op & dir /b /l /ah op 2>nul"`,
+}
+else {
+ map { $files{$_}++ } <op/*>;
+ map { delete $files{$_} } split /[\s\n]/, `echo op/*`;
+}
if (keys %files) {
print "not ok 1\t(",join(' ', sort keys %files),"\n";
} else { print "ok 1\n"; }