What’s the difference between a hash and hash reference in Perl?
A simple hash is close to an array. Their initializations even look similar. First the array: @last_name = ( “Ward”, “Cleaver”, “Fred”, “Flintstone”, “Archie”, “Bunker” ); Now let’s represent the same information with a hash (aka associative array): %last_name = ( “Ward”, “Cleaver”, “Fred”, “Flintstone”, “Archie”, “Bunker” ); Although they have the same name, the … Read more