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Re: Multiple Permutation handling

by midget2000x (Novice)
on Mar 02, 2013 at 07:19 UTC ( #1021395=note: print w/replies, xml ) Need Help??

in reply to Multiple Permutation handling

Thanks for the help guys, I really appreciate it. Anyone want a take on a curveball? What if some SKUs just have one set of options (like size only), but the next SKU has 3 sets (size, color, type), and the next one has 2 (size and color)? Can the code be make to "permutate" only over the available sets for each SKU?

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Re^2: Multiple Permutation handling
by ggoebel (Sexton) on Mar 02, 2013 at 11:52 UTC
    use strict; use warnings; use integer; # See 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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