os.system("lsusb")
def cmd_usb_remove(options):
    address=find_usb(options,get_vm_devices(options.sock))
    answer=send_command(options.sock,"usb_del %s" % address)
    print answer
    
def cmd_usb_attached(options):
    for t in get_host_devices(options.sock):
    for t in get_vm_devices(options.sock):
        print "Address %s : %s"%(t[0],t[1])
    print answer

def cmd_list(options):
    count = 0
    search_path=[os.environ['HOME']+"/VWs",
        config.get("directories","SharedVMs"),
        config.get("directories","AutostartVMs")]
    for dirname in search_path:

try:
   func=globals()[funcname]
except KeyError:
    print >>sys.stderr,"Operation %s is not implemented"%funcname
    sys.exit(3)
func(parsed_args)
if hasattr(parsed_args,'sock') and parsed_args.sock is not None:
    parsed_args.sock.shutdown(socket.SHUT_RDWR)
    parsed_args.sock.close()