use File::DirCompare;
use File::Basename;

sub compare_dirs{
  my ($dir1, $dir2) = @_;
  my $equal = 1;

  File::DirCompare->compare($dir1, $dir2, sub {
    my ($a,$b) = @_;
    $equal = 0; # if the callback was called even once, the dirs are not equal
    if ( !$b )     {
      printf "File '%s' only exists in dir '%s'.\n", basename($a), dirname($a);
    }
    elsif ( !$a ) {
      printf "File '%s' only exists in dir '%s'.\n", basename($b), dirname($b);
    }
    else     {
      printf "File contents for $a and $b are different.\n";
    }
  });
  return $equal;
}

print "Please specify two directory names\n" and exit if (@ARGV < 2);
printf "%s\n", &compare_dirs($ARGV[0], $ARGV[1]) ? 'Test: PASSED' : 'Test: FAILED';