#!/usr/bin/perl use strict; use warnings; use Data::Dumper; my %h3; my %h2 = ( 'eins' => 'python', 'zwei' => 'perl', 'drei' => 'ruby', ); my %h1 = ( 'eins' => 'tcl', ); %h3 = %h2; print Dumper(\%h3); %h3 = (%h2, %h1); print Dumper(\%h3);