Re: Joining and Applying a different hash to another

Well, it sounds like you have two hashes, each containing the same type of keys, but they don't have the same key names. So, it sounds like you need a third hash, mapping old_key to new_key.

my %keymap = (
    username => 'Name',
    password => 'PW',
);

my $old = { username => 'Drew', password => 'Boy' };

my $new = {};
foreach my $k (keys %$old)
{
    $new->{$keymap{$k}} = $old->{$k};
}
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I shouldn't have to say this, but any code, unless otherwise stated, is untested

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