title: How to delete \n in Textmate
body: <p>Given a file which contains new lines, using Textmate, how can i remove them from the document</p>
  
  <p>Given a text file</p>
  
  <pre><code>a
  
  
  b
  
  c
  </code></pre>
  
  <p>I'd like to end up with</p>
  
  <pre><code>a
  b
  c
  </code></pre>