On Jan 24, 10:12 am, [EMAIL PROTECTED] (Tom Phoenix) wrote:
> On Jan 24, 2008 9:07 AM, <[EMAIL PROTECTED]> wrote:
>
> > I'd like to get the number of keys in hash of hashes. I know that I
> > can do something like $count = keys( %myHash ), but how would I go
> > about finding the number of keys in a sub-hash?
>
> my $count = keys %{ $sub_hash_reference };
>
> You can replace $sub_hash_reference with any expression that returns
> the reference to your sub-hash, such as $myHash{fred}, say.
>
> > Alternately, how could I loop through keys in a hash of a hash?
>
> foreach my $key (keys %{ $sub_hash_reference }) { ... }
>
> Hope this helps!
>
> --Tom Phoenix
> Stonehenge Perl Training
Thank you Tom.. Exactly what I was looking for!
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