http://www.perlmonks.org?node_id=2724


in reply to How do I make a hash of hashes?

You can declare it like:
%hash = ( arms => { biggest => 'mine', smallest => 'yours' }, feet => { biggest => 'right', smallest => 'left' }, legs => { biggest => 'theirs', smallest => 'them', muscular => 'yes' } );