use lib "$RealBin";
use Subunit::Diff;
-open(FH1, $ARGV[0]) or die("Unable to open $ARGV[0]: $!");
-open(FH2, $ARGV[1]) or die("Unable to open $ARGV[1]: $!");
+my $old = Subunit::Diff::from_file($ARGV[0]);
+my $new = Subunit::Diff::from_file($ARGV[1]);
-my $ret = Subunit::Diff::diff(*FH1, *FH2);
+my $ret = Subunit::Diff::diff($old, $new);
-close(FH1);
-close(FH2);
-
-foreach my $e (keys %$ret) {
+foreach my $e (sort(keys %$ret)) {
printf "%s: %s -> %s\n", $e, $ret->{$e}[0], $ret->{$e}[1];
}