Your solution is fine. Heres how I'd probably write it:
$ cat 11105885.pl
use warnings;
use strict;
use Data::Dumper;
my $bucket_count = 4;
my @array = qw(1 2 3 4 5 6 7 8 9 10 11 12);
my $buckets = [];
for ( my $counter = 0; $counter < @array; $counter++ ) {
my $element = $array[ $counter ];
my $bucket = $buckets->[ $counter % $bucket_count ] ||= [];
push @$bucket, $element;
}
print Data::Dumper->Dump([$buckets], [qw(buckets)]);
The result:
$ perl 11105885.pl
$buckets = [
[
'1',
'5',
'9'
],
[
'2',
'6',
'10'
],
[
'3',
'7',
'11'
],
[
'4',
'8',
'12'
]
];
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