title: new line separator for each grep result sh script
body: <p>Is there a way to have each result of grep followed by newline
  for example if the result of grep is:</p>
  
  <pre><code>1
  2
  3
  </code></pre>
  
  <p>I need it to be:</p>
  
  <pre><code>1
  
  2
  
  3
  </code></pre>