launch lem from shell

lem.ros

#!/bin/sh
#|-*- mode:lisp -*-|#
#|
exec ros -Q -- $0 "$@"
|#
(ql:quickload :lem)
(defun main (&rest argv)
  (declare (ignorable argv))
  (if (car argv)
      (lem:lem (car argv))
    (lem:lem)))