%hash{}{} is a syntax error. Did you have this in mind? 
for my $x (values %hash) {
     print $x->{inner_key};
}

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If not, please be more specific.

لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

In reply to Re: Loop reference to value in hash of hash by choroba
in thread Loop reference to value in hash of hash by Dr Manhattan

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