Then the following should work: 
my %counts = %{ $self->{_counts} };
my @sorted_keys = sort { $counts{$a} <=> $counts{$b} } keys %counts;

[download]

And sort by counts (ascending).

Perl 6 - the future is here, just unevenly distributed

In reply to Re^3: Hash value sorting by moritz
in thread Hash value sorting by iHutch105

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