my $size = (keys %{$rHoH_ProteinFamilies->{proteinfamily}}); 
                                           ^

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You probably meant to write $proteinfamily there.

Perl 6 - second systems done right

In reply to Re: Finding the size of a nested hash in a HoH by moritz
in thread Finding the size of a nested hash in a HoH by Jeri

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