How can I split a Perl array into smaller arrays?

Question

Is there any Perl equivalent for php array_chunk () ?

I am trying to split a large array into several smaller ones.

Thanks in advance.

Answer 1

function splice () .

Answer 2

You can use array slices like this:

#!/bin/perl -l

my @array = (1,2,3,4,5,6,7,8,9);

print join ",", @array[0..2];
print join ",", @array[3..5];
print join ",", @array[6..$#array];

Answer 3

PHP, :

use strict;
use warnings;

use List::MoreUtils qw( natatime part );

use Data::Dumper;

my @array = 0..9;
my $size = 3;

{    my $i = 0;
     my @part = part { int( $i++ / $size ) } @array;
     warn "PART\n";
     warn Dumper \@part;
}

{    my $iter = natatime( $size, @array );
     my @natatime;
     while( my @chunk = $iter->() ) {
        push @natatime, \@chunk;
     }
     warn "NATATIME\n";
     warn Dumper \@natatime;
}

{    my @manual;
     my $i = 0;

     for( 0..$#array ) {
         my $row = int( $_ / $size );

         $manual[$row] = [] 
             unless exists $manual[$row];

         push @{$manual[$row]}, $array[$_];
     }

     warn "MANUAL:\n";
     warn Dumper \@manual;
}

Answer 4

- List::MoreUtils natatime part.

natatime , , :

my $iter = natatime 3, @orig_list;

$iter->() 3 .

part.

my $i      = 0;
my @groups = part { int( $i++ / 3 ) } @orig_array;

, : chunk_array.

sub chunk_array { 
    my $size = shift;
    my $i    = 0;
    return part { int( $i++ / $size ) } @_;
}

:

my @trios = chunk_array( 3, @orig_array );