Why are you calling keys in a scalar context?

If you expect only a single key, use: 

my ($key) = keys %$_;

[download]
If you want to iterate, add an inner loop: 
for my $key (keys %$_) {
  ....
}

[download]

-- Randal L. Schwartz, Perl hacker

In reply to Re: LoH Incrementing Autovivification by merlyn
in thread LoH Incrementing Autovivification by metaperl

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