title: How to unzip file using JSFTP Node module
body: <p>I am using <a href="https://github.com/sergi/jsftp" rel="nofollow">https://github.com/sergi/jsftp</a> module for FTP connection using NodeJS. I am able to connect successfully and can transfer file to server using this module. But don't have any idea how to unzip file after transferring it. So i am using unzip command</p>
  
  <p>I am getting the following error:</p>
  
  <pre><code>Ftp.raw.unzip('test.zip',function(hadError, data){
              ^
  TypeError: Object function () { return runCmd.apply(self, arguments); } has no method 'unzip'
  </code></pre>
  
  <p>How to run <code>unzip</code> command using this module.</p>