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Re^2: Multiple Permutation handling

by ggoebel (Sexton)
on Mar 02, 2013 at 11:52 UTC ( #1021407=note: print w/ replies, xml ) Need Help??


in reply to Re: Multiple Permutation handling
in thread Multiple Permutation handling

use strict; use warnings; use integer; # See http://www.perlmonks.org/?node_id=154008 my @permutation = ( [['SKU'],[1..3],[qw(T S L H)],[qw(S M L XL 2X)],[qw(BLU GRN WHT BL +K)]], [['SKU'],[4..5],[qw(S M L XL 2X)]], [['SKU'],[6],[qw(S M L XL 2X)],[qw(BLU GRN WHT BLK)]] ); for my $p (@permutation) { my $iter = make_permutator(@$p); while (my @els = $iter->()){ print @els, "\n"; } } sub make_permutator { my @idx_link = (0, @_); my $idx; return sub { $idx = $idx_link[0]++; my @ret; for my $i (1..$#idx_link) { push @ret, $idx_link[$i][$idx % @{$idx_link[$i]}]; $idx /= @{$idx_link[$i]}; } return $idx ? () : @ret; } } 1; __END__


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