title: How to get modified file from base file and diff file?
body: <p>Consider the following example :</p>
  
  <pre><code>$ls
  base.txt base-modified.txt
  $diff base.txt base-modified.txt &gt; diff.txt
  $rm base-modified.txt
  $
  </code></pre>
  
  <p>I want the base-modified.txt from base.txt and diff.txt...
  Can anyone suggest a way ?</p>