title: Mixing data from two csv files with date field
body: <p>I have two csv files. </p>
  
  <p>File1.csv</p>
  
  <pre><code>F1    F2
  14:01 22
  14:05 23
  14:07 34
  14:58 98
  15:01 22
  15:10 24
  </code></pre>
  
  <p>File2.csv</p>
  
  <pre><code>F1    F2
  14:01 22
  14:06 21
  14:07 34
  14:59 08
  15:01 22
  15:19 20
  </code></pre>
  
  <p>And is it possible to have something like below ?</p>
  
  <pre><code>F1    F2   F3 
  14:01 22   22
  14:05 23
  14:06      21
  14:07 34   34
  14:58 98
  14:59      08
  15:01 22   22
  15:10 24
  15:19      20 
  </code></pre>
  
  <p>Thank you.</p>