0 400   0   -a
 0 400   0   #
 0 400   0   -b
 0 400   0   #
 1 400   0   
 0 400   0   declare -A optionSet=([--help]=0)
 2 400   0 + for option in {-h,--help,--version,--verbose,-,--}; do
 2 401   0 + case $option in
 0 402   0 | 	-h|--help)
 0 402   0 | 		optionSet[--help]=1
 0 402   0 | 		echo help: $option
 0 402   0 | 		;;
 0 402   0 | 	-*-version)
 0 402   0 | 		echo version: $option
 0 402   0 | 		;;
 0 402   0 | 	--)
 0 402   0 | 		echo stop
 0 402   0 | 		;;
 0 402   0 | 	-)
 0 402   0 | 		echo stdin
 0 402   0 | 		;;
 0 402   0 | 	-*[-a-zA-Z0-9])
 0 402   0 | 		echo other: $option
 0 402   0 | 		;;
 0 402   0 | esac
 0 401   0 | done
 1 400   0   
 0 400   0   option=--help
 0 400   0   [[ $option == *-h* ]] && echo $option=${optionSet[$option]}
 1 400   0   
 2 400   0 + for gcc in gcc{,-1{4..0..-1}}; do
 0 401   0 | 	echo $gcc
 0 401   0 | done
 1 400   0   
 2 400   0 + for gcc in gcc{,{-14..-10}}; do
 0 401   0 | 	echo $gcc
 0 401   0 | done
 1 400   0   
 0 400   0   # Tilde-refix ~
 0 400   0   ~+/foo
 0 400   0   ~-/foo
 0 400   0