in reply to How do I make a hash of hashes?
If it was declared as a named hash of multiple dimensions, you may access it like $hash{foo}->{bar}->{beer}="free";,
or like this: $hash{foo}{bar}{beer}="free"; if you prefer to drop the arrows.
If it's an anonymous hash held in a hash reference, you access it like this:
$r_hash->{foo}{bar}{beer}= "free";
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Seekers of Perl Wisdom