title: Count columns in TXT with C++?
body: <p>I have these types of data in txt files.</p>
  
  <pre><code>1   3   4   5
  2   4   5   2
  3   5   7   8
  2   5   7   8
  </code></pre>
  
  <p>or even </p>
  
  <pre><code>1 3 4 5
  2 4 5 2
  3 5 7 8
  2 5 7 8
  </code></pre>
  
  <p>Separated with TABs, with one space or exported from excel. 
  I need a function to count columns, that returns an int, how can I do this?</p>
  
  <p>Thanks!</p>