title: difference between the content of two files
body: <p>I have two files one file subset of other and i want to obtain a file which has contents not common to both.for example</p>
  
  <p><strong>File1</strong></p>
  
  <pre><code>apple
  mango
  banana
  orange
  jackfruit
  cherry
  grapes
  eggplant
  okra
  cabbage
  </code></pre>
  
  <p><strong>File2</strong></p>
  
  <pre><code>apple
  banana
  cherry
  eggplant
  cabbage
  </code></pre>
  
  <p>The resultant file, difference of above two files </p>
  
  <pre><code>mango
  orange
  jackfruit
  grapes
  okra
  </code></pre>
  
  <p>Any ideas on this are appreciated.</p>