/usr/bin/lua5.4: unrecognized option '--help' usage: /usr/bin/lua5.4 [options] [script [args]] Available options are: -e stat execute string 'stat' -i enter interactive mode after executing 'script' -l mod require library 'mod' into global 'mod' -l g=mod require library 'mod' into global 'g' -v show version information -E ignore environment variables -W turn warnings on -- stop handling options - stop handling options and execute stdin