$h{6077.1}->{xmltype}= '000';

You don't really append to a hash (since there is no ordered row or queue where you can append behind) but just insert values. To answer your probable next question too, if you want to test if a value already exists in the hash, you can use the function exists()

if (exists($h{6077.1}->{xmltype}) { ... }

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UPDATE: changed two ] to }, stupid typing error found thanks to AnomalousMonk

In reply to Re: append values to a same key in hash by jethro
in thread append values to a same key in hash by shan_emails

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