title: UDisks script to list all mounted USB devices
body: <p>i wanted an UDisks script to list all the usb devices that are mounted on my system , which 
  must have ability to detect LVM devices.</p>
  
  <p>Perl / C / Shell any is fine</p>
  
  <p>Many thanks.</p>
  
  <p>P.S: Hal is deprecated on my Gentoo and removed </p>