$_ = `cat Comp.try`;
if (/.*\n.*\n.*\n$/) {print "ok 4\n";} else {print "not ok 4\n";}
-`/bin/rm -f Comp.try`;
+
+close(try) || (die "Can't close temp file.");
+unlink 'Comp.try' || `/bin/rm -f Comp.try`;
if ($_ eq $y) {print "ok 5\n";} else {print "not ok 5\n";}