Use Data::Dumper to print the hashes out so you can see what gets populated. 

use Data::Dumper;

print Dumper(\%agency);

[download]

That is also the weirdest nested hash syntax I have ever seen. I think it's supposed to look more like this: 

$agency{$e4}->{$e7}->{$e6}++;

[download]

That change starts to create an interesting hash once it is printed with Data::Dumper. Give it a shot.

Addendum:

Other things I've noticed about your code.

  • In the nested hash example, where are you getting $pf from? Bad cut and paste from the OO version? Did you mean $e6?
  • You are not storing the agency in the first level of the hash(stored in $e3). You may need: 
        $agency{$e3}->{$e4}->{$e7}->{$e6}++;

    [download]
  • The way you are incrementing the counters is incorrect, you want to check those more closely so you get the correct results. Notice that you are storing the current value+1. What you probably wanted was to increment the value in the hash by one AND increment the cumulative count(which I assume the *_count variables are for).

    • In reply to Re: nested hashes or object oriented by pzbagel
    in thread nested hashes or object oriented by ctaustin

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