http://www.perlmonks.org?node_id=442103


in reply to Concerning hash operations (appending, concatenating)

This is one idiom,

%hash = (%hash, e => 'f', g => 'h', i => 'j'); %hash = (%otherhash, %hash);
Order matters; the last instance of a key/value pair is the one that sticks to the key.

After Compline,
Zaxo