sub dumpref {
        my $testref = shift;
        my $levels = shift;

        if (ref($testref) eq 'HASH') {
                print "{\n";
                $levels++;
                my $maxlevel = scalar(keys %$testref);
                my $curlevel = 0;
                foreach my $key (keys %$testref) {
                        $curlevel++;
                        print " " x $levels;
                        print $key;
                        print " => ";
                        my $val = $testref->{$key};
                        if (ref($val)) {
                                &dumpref($val,$levels);
                        } else {
                                $val =~ s#\\#\\\\#;
                                $val =~ s#'#\\'#;
                                print "'$val'";
                        }
                        print "," if $curlevel < $maxlevel;
                        print "\n";
                }
                print " " x ($levels - 1) . "}";
        } elsif (ref($testref) eq 'ARRAY') {
                print "[\n";
                $levels++;
                my $maxlevel = scalar(@$testref);
                foreach my $val (@$testref) {
                        $curlevel++;
                        print " " x $levels;
                        if (ref($val)) {
                                &dumpref($val,$levels);
                                print " " x ($levels - 1);
                        } else {
                                $val =~ s#\\#\\\\#;
                                $val =~ s#'#\\'#;
                                print "'$val'";
                        }
                        print "," if $curlevel < $maxlevel;
                        print "\n";
                }
                print " " x ($levels - 1) . "]";
        } else {
                print ref($testref);
                print "\n";
        }
}