jvm.sh

function jvm() {
	local cmd="$1"
	local java_root="/Library/Java/JavaVirtualMachines/"
	case "$cmd" in
		list )
			find "$java_root" -maxdepth 1 | grep 'jdk.*\.jdk' | gsed 's/.*jdk\(.*\)\.jdk$/\1/' ;;
		use )
			local version="$2"
			local home="$java_root/jdk${version}.jdk/Contents/Home/"
			if [ -d "$home" ]; then
				export JAVA_HOME="$home"
				echo "JAVA_HOME=$JAVA_HOME"
			else
				echo "Not found: $home"
				return 1
			fi
			;;
		"" | "help")
			echo "USAGE: $0 list|user <version>" ;;
		* )
			echo "Unknown command: ${cmd}"
	esac
}