Install cl-getopt by entering the following commands in the terminal:
sudo apt update sudo apt install cl-getopt
Description:
Common Lisp utility for command-line processing
This package provides Common Lisp programs processing of command-line arguments. The command-line processing is based on GNU's getopt_long module.
Homepage: http://files.b9.com/getopt/
Version: 1.2.0-3
Section: universe/devel