title: How to delete first column from the file in Unix
body: <p>I have a file like the one below - </p>
  
  <pre><code>|A|B|C|D  
  |1|2|3|4  
  </code></pre>
  
  <p>I want the result - </p>
  
  <pre><code>A|B|C|D  
  1|2|3|4
  </code></pre>
  
  <p>I have tried using <code>cut</code> but I'm not getting the desired output. Please suggest how the first column can be removed?</p>