from cmd import Cmd
from Queue import Queue
import os

class MyShell(Cmd):
    def do_cd(self, *args):
        os.chdir(args[0])

    def do_pwd(self, args):
        """Prints the working directory"""
        print os.getcwd()

    def do_quit(self, args):
        """Quits the program."""
        print "Quitting."
        raise SystemExit


if __name__ == '__main__':
    prompt = MyShell()
    prompt.prompt = '> '
    prompt.cmdloop('Starting prompt...')