use Data::Dumper; print Dumper($r_array1, $r_array2);

which prints out
$VAR1 = [
          [
            1,
            2,
            3,
            4,
            5
          ]
        ];
$VAR2 = [
          [
            6,
            7,
            8,
            9,
            10
          ]
        ];