title: Compare headers of two delimited text files
body: <p><strong>File1.txt(base file)</strong></p>
  <pre><code>header1|header2|header3|header4
  
  1|2|3|4
  </code></pre>
  <p><strong>File2.txt</strong></p>
  <pre><code>header1|header10|header3|header4
  
  5|6|7
  </code></pre>
  <p><strong>Desired O/P</strong></p>
  <blockquote>
  <p>header2 is missing in file 2 at position 2</p>
  <p>header10 is addition in file 2 at position 2</p>
  </blockquote>
  <p>I need to compare two file header and need to display missing header or addition columns with respect to base file header list.</p>