-a
#
-b
#

declare -A optionSet=([--help]=0)
for option in {-h,--help,--version,--verbose,-,--}; do
case $option in
	-h|--help)
		optionSet[--help]=1
		echo help: $option
		;;
	-*-version)
		echo version: $option
		;;
	--)
		echo stop
		;;
	-)
		echo stdin
		;;
	-*[-a-zA-Z0-9])
		echo other: $option
		;;
esac
done

option=--help
[[ $option == *-h* ]] && echo $option=${optionSet[$option]}

for gcc in gcc{,-1{4..0..-1}}; do
	echo $gcc
done

for gcc in gcc{,{-14..-10}}; do
	echo $gcc
done

# Tilde-refix ~
~+/foo
~-/foo