title: converting a csv into text
body: <p>I have a csv (large) file of ip addresses, and wish to covert into single line ip address in bash.<br><br></p>
  
  <p>aa.bb.cc.dd,aa.bb.cc.dd,aa.bb.cc.dd,..</p>
  
  <p>into<br>
  aa.bb.cc.dd<br>
  aa.bb.cc.dd<br>
  aa.bb.cc.dd<br>
  [..]</p>
  
  <p>The list of ips in question,</p>
  
  <p><a href="http://www.stopforumspam.com/downloads/bannedips.zip" rel="nofollow noreferrer">http://www.stopforumspam.com/downloads/bannedips.zip</a></p>