test23 1 test23 this is a message test23 -s string -B -A -- --version -h this is a message -A --sA exist Test A -B --sB (OR required) exist Test B -s --Bs string (OR required) string test -- --ignore_rest Ignores the rest of the labeled arguments following this flag. --version Displays version information and exits. -h --help Displays usage information and exits. 0.99