abort() {
	echo "$1"
	exit 1
}

info() {
	if [ -z "$quiet" ]; then
		echo "$1"
	fi
}

verbose() {
	if [ -n "$verbose" ]; then
		echo "$1"
	fi
}

checkPathComponent() {
	local msg="Dangerous path component discovered: $1"
	if [ "$1" = "." -o "$1" = ".." ]; then
		abort "$msg"
	fi
	if echo "$1" | grep --quiet -F "/"; then
		abort "$msg"
	fi
}