+(defvar *command-line*)
+(defvar *program-name*)
+
+(defun set-command-line-arguments ()
+ (setf *command-line*
+ (or (when (member :cl-launch *features*)
+ (let* ((uiop-package (find-package :uiop))
+ (cll-package (find-package :cl-launch))
+ (name (some (intern "GETENV"
+ (or uiop-package cll-package))
+ (list "__CL_ARGV0" "CL_LAUNCH_FILE")))
+ (args (symbol-value
+ (if uiop-package
+ (intern "*COMMAND-LINE-ARGUMENTS*"
+ uiop-package)
+ (intern "*ARGUMENTS*" cll-package)))))
+ (if name
+ (cons name args)
+ args)))
+ #+cmu ext:*command-line-strings*
+ #+sbcl sb-ext:*posix-argv*
+ #+ecl (loop from i below (ext:argc) collect (ext:argv i))
+ #+clisp (loop with argv = (ext:argv)
+ for i from 7 below (length argv)
+ collect (aref argv i))
+ '("<unknown-lisp>" "--" "<unknown-script>")))
+ (setf *program-name* (pathname-name (car *command-line*))))
+(set-command-line-arguments)