title: How to remove empty columns in R?
body: <p>I have a CSV file</p>
  
  <pre><code>Identity,Number,Data,Result,Add,,,,,,,,,,,,
  1,,,,4,55,,92,,,,,,,,,62,
  3,,,,7,43,,12,,,,,,,,,74,
  7,,,,3,58,,52,,,,,,,,,64,
  0,,,,6,10,,22,,,,,,,,,96,
  3,,,,8,13,,92,,,,,,,,,22,
  </code></pre>
  
  <p>How to remove empty columns in R?</p>
  
  <p>Desired Output</p>
  
  <pre><code>Identity,Number,Data,Result,Add
  1,4,55,92,62
  3,7,43,12,74
  7,3,58,52,64
  0,6,10,22,96
  3,8,13,92,22
  </code></pre>