grub-script-check --version (return code: 0)
grub-script-check (GRUB) 2.02~beta2-36ubuntu3.7
grub-script-check --help (return code: 0)
Usage: grub-script-check [OPTION...] [PATH]
Checks GRUB script configuration file for syntax errors.
-v, --verbose print verbose messages.
-?, --help give this help list
--usage give a short usage message
-V, --version print program version
Report bugs to <bug-grub@gnu.org>.