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  1. or download this
    use strict;
use warnings;
...
id ,name,sal,post,income,country ,address..$#number_of_columns
21,hhdh,23,lawyer,0,US,GA,XYZ...$#number_of_rows
22,shjhds,24,perl programmer,999999999999,US,TX,XYZ..$#number_of_rows
  2. or download this
    Info for ID=21:
$VAR1 = {
...
          'address..$#number_of_columns' => 'TX'
        };
Programmer is ID# 22