Of course it is possible to find this out without using any module, because even modules are written in Perl.

So, if you want to do this the hard way, you best start learning about data structures via perlreftut and perldsc. Then take a look at Data::Diver and its code. That's it.

In reply to Re^3: grep in hash of array by Corion
in thread grep in hash of array by rose

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