title: How to find line with pattern and remove it on Linux?
body: <p>I need to scan all js files in my server and remove the line that contains:</p>
  
  <pre><code>document.write("&lt;script type='text/javascript' src='http://*
  </code></pre>
  
  <p>I need to set it on cron to do every day. 
  I think i will need to create a shell to do it.</p>
  
  <p>Can you help me?</p>