Why does everyone's code build a list of keys when they don't use them for anything but accessing the values? 
my $total;
$total += $_->{$member} for values %main;

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(At this this point it's obvious that %main needs a better name.)

Makeshifts last the longest.

In reply to Re: Summing values of subkey in a HoH by Aristotle
in thread Iterating over hash elements (was: Sorry to bother you) by Anonymous Monk

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