NAME Hash::Tally - Compute the tallies of hash values SYNOPSIS use Hash::Tally qw( tally ); my $data = { Shipping => { English => { Canada => 8, 'United States' => 13, }, French => { Canada => 26, 'United States' => 3, }, }, Receiving => { English => 56, French => { Canada => 12, 'United States' => 5, }, }, }; tally( $data ); # $data now has the following value: $data = { Shipping => { English => { Canada => 8, 'United States' => 13, tally => 21, }, French => { Canada => 26, 'United States' => 3, tally => 29, }, tally => { Canada => 34, 'United States' => 16, tally => 50, }, }, Receiving => { English => 56, French => { Canada => 12, 'United States' => 5, tally => 17, }, tally => 73, }, tally => { English => 77, French => { Canada => 38, 'United States' => 8, tally => 46, }, tally => 123, }, }; DESCRIPTION tally ( @data ) A method designed to calculate the tallies of hashes. It was originally designed for reporting and statistical purposes. AUTHOR Adam Paynter COPYRIGHT AND LICENSE Copyright 2006 by Adam Paynter This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.