my $arr1 = [[qw/name pos loc age/],
	    [qw/ike boss 12 44/],
	    [qw/mat slave 22 21/]];
my $arr2 = [[qw/car dog age/],
	    [qw/a1 grr 3/]];
#...magic goes here and we want:
my $arrMighty = [[name, pos, loc, age, car, dog],
                 [ike, boss, 12, 44, "", ""],
	         [mat, slave, 22, 21, "", ""],
	         ["", "", "", 3, a1, grr]];