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in reply to Re: Extract keys from an Array of Hashes
in thread Extract keys from an Array of Hashes

And for when the keys are all different:

for ( 0 .. $#AoH ) {
   push @keys, keys %{ $AoH[$_] };
}

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—Brad
"The important work of moving the world forward does not wait to be done by perfect men." George Eliot

In Section Seekers of Perl Wisdom