parameters: ()
docstring: A convenience function for constructing and running the
      :class:`CommandLine`'s run method.
docstring_summary: A convenience function for constructing and running the
      :class:`CommandLine`'s run method.
docstring_tokens: A convenience function for constructing and running the : class : CommandLine s run method .
function: def main():
      """A convenience function for constructing and running the
      :class:`CommandLine`'s run method."""
      VolShell().run()
function_tokens: def main ( ) : VolShell ( ) . run ( )