my $slice = [
          {
            'Length' => '1.78',
            'Age' => '55',
            'Name' => 'Rolf',
            'Weigth' => '90'
          },
          {
            'Length' => '1.82',
            'Age' => '53',
            'Name' => 'Otto',
            'Weigth' => '82'
          }
];


# Sortierte Ausgabe nach Name:
foreach my $r( sort{  $a->{Name} cmp $b->{Name}   }@$slice){
	printf("Name => %s, Alter => %u\n", $r->{Name}, $r->{Age});
}
#Name => Otto, Alter => 53
#Name => Rolf, Alter => 55