title: How to encrypt and decrypt a specific column in a file by using Perl?
body: <p>I have log file like below,</p>
  
  <pre><code>NAME    ID      LOCATION
  aa      12      in
  bb      13      freak
  cc      14      test
  </code></pre>
  
  <p>I want to encrypt and as well as decrypt the field "LOCATION". How to do that by using any Encryption module in Perl ?</p>
  
  <p>Since I'm new to Perl, help me .</p>