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Answer: How do I make a hash of hashes?

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Q&A > Data Structures > How do I make a hash of hashes? contributed by Doraemon

This might interest you:
$other_hash{key} = ''; $hash{other} = \%other_hash; $hash{other}->{key} = '1'; # ok $tmp = $hash{other}; $$tmp{key} = '2'; # use it like this # $$hash{other}{key} = '2'; # but not like this ${$hash{other}}{key} = '3'; # this is ok $hash{other}{key} = '3'; # this too, -> unneeded after { +}

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