Evening Monks! I have a bunch of data loaded into a hash and would like to read thru it and would like to sum $cols->{1} in groups. It will loop through a subtroutine that groups all "Lines" together under a "Device". So if there are 3 lines, the $numberOfLines should == 3 This is the routine I am working on, and finished all other parts, but just wondering the best way to loop through the hash and have individual counts.

foreach my $row ( keys %$rows ) {
                        my $cols = $rows->{$row};
                        if ( $cols->{0} ) {
                                $line_pointer{$cols->{1}} = $cols->{1}
+;
                                $line_pointer{$cols->{1}}{"numberOfLin
+es"} = $counter++;
                        }
                }
[download]

$line_pointer{$cols->{1}}{"numberOfLines"} Should contain

$VAR1 = {
          '1' => '2'
        };
[download]

But instead contains:

$VAR1 = {
          '1' => '1'
        };
[download]

Updated with my code, but apparently my looping counter sucks.

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In reply to Grouping values in a hash together (Updated by hallikpapa

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