title: How to delete unwanted lines from text file through batch file?
body: <p>I have a text file with following contents with some unwanted lines which I want to remove from the text file.</p>
  
  <pre><code>1233,pqry,01/11/2011
  2365698,abcd,2011/01/12
  ,defghj,11/12/2013
  ,,,
  ,,,
  ,,,
  </code></pre>
  
  <p>In above example we can see there are multiple lines with comma separated. I want to remove those lines from my text file through batch file. Kindly help me out</p>