return 1;
}
+=head2 merge_hashes($hashref, $hashref)
+
+Base code to recursively merge two hashes together with right-hand precedence.
+
+=cut
+
+sub merge_hashes {
+ my ( $lefthash, $righthash ) = @_;
+
+ return $lefthash unless defined $righthash;
+
+ my %merged = %$lefthash;
+ for my $key ( keys %$righthash ) {\r
+ my $right_ref = ( ref $righthash->{ $key } || '' ) eq 'HASH';\r
+ my $left_ref = ( ( exists $lefthash->{ $key } && ref $lefthash->{ $key } ) || '' ) eq 'HASH';\r
+ if( $right_ref and $left_ref ) {\r
+ $merged{ $key } = merge_hashes(
+ $lefthash->{ $key }, $righthash->{ $key }
+ );\r
+ }
+ else {
+ $merged{ $key } = $righthash->{ $key };
+ }\r
+ }
+
+ return \%merged;
+}
+
=head1 AUTHOR