(let ((version (nth 0 command-line-args-left))
(filename (nth 1 command-line-args-left))
(requires (nth 2 command-line-args-left))
(let ((version (nth 0 command-line-args-left))
(filename (nth 1 command-line-args-left))
(requires (nth 2 command-line-args-left))