You could use
natatime from
List::MoreUtils
#!/usr/bin/perl
use strict;
use warnings;
use List::MoreUtils qw/ natatime /;
my @list = qw(1 2 3 4 5 6 7 8 9 10 11 12);
my @AoA;
my $it = natatime 4, @list;
while (my @vals = $it->()) {
push @AoA, \@vals;
}
print "@list\n";
use Data::Dumper;print Dumper \@AoA;
This would leave the original array unchanged.
Output:
1 2 3 4 5 6 7 8 9 10 11 12
$VAR1 = [
[
'1',
'2',
'3',
'4'
],
[
'5',
'6',
'7',
'8'
],
[
'9',
'10',
'11',
'12'
]
];
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