save_screen()
{
	if [ -x $(type -P tput) ]
	then
		tput smcup
	fi
}

restore_screen()
{
	if [ -x $(type -P tput) ]
	then
		tput rmcup
	fi
}

clearconfig()
{
	local confdir
	[[ -z ${CONFIG} ]] && die "No \$CONFIG given!"

	confdir="$(dirname ${CONFIG})"
	if [[ ! -d ${confdir} ]]
	then
		install -d ${confdir} || die
	fi
	: > ${CONFIG}
}

addconfig()
{
	local confdir
	local opts

	[[ -z ${CONFIG} ]] && die "No \$CONFIG given!"

	confdir="$(dirname ${CONFIG})"
	if [[ ! -d ${confdir} ]]
	then
		install -d ${confdir} || die
	fi

	# check for opts
	case $1 in
		-n) shift; opts=" -n" ;;
		-e) shift; opts=" -e" ;;
	esac

	echo ${opts} "$@" >> ${CONFIG} || die
}