my @sorted_keys = sort {
    $hash{$a}->{last} cmp $hash{$b}->{last} || 
    $hash{$a}->{first} cmp $hash{$b}->{first} }
    keys %hash;
[download]

-----------------------------------------------------
Dr. Michael K. Neylon - mneylon-pm@masemware.com || "You've left the lens cap of your mind on again, Pinky" - The Brain
"I can see my house from here!"
It's not what you know, but knowing how to find it if you don't know that's important