14 { 15 my %_defaults = ( # Default Access 16 _identifier => ["unknown",'read'], 17 _author => ["unknown",'read/write'], 18 _publisher => ["unknown",'read'], 19 _title => ["unknown",'read'], 20 _year => ["unknown",'read'], 21 _url => ["unknown",'read/write'] 22 );Se ha introducido un hash que contiene los valores por defecto y el tipo de acceso permitido (lectura/escritura) para cada clave.
Casiano Rodríguez León