Alternate way 

#!/usr/bin/perl

use strict; # https://perlmonks.org/?node_id=11140589
use warnings;
use ntheory qw( forcomb forperm );

forcomb
  {
  my @sel = @_;
  forperm { print @sel[@_], ' ' } scalar @sel;
  } 8, 5;
print "\n";

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In reply to Re: Getting permutations of length n of an array of length greater than n? by tybalt89
in thread Getting permutations of length n of an array of length greater than n? by LittleJack

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