$ perl -we 'use strict;
> use Data::Dumper;
> my @AoA = ( ["a" .. "d"], ["e" .. "h"]);
> print Dumper \@AoA;
> print "\n", map { "@$_ "} @AoA;'
$VAR1 = [
          [
            'a',
            'b',
            'c',
            'd'
          ],
          [
            'e',
            'f',
            'g',
            'h'
          ]
        ];

a b c d e f g h