# list

RWX_LIST_SEP="$(printf "\037")"
RWX_LIST_SEP="⋅"

rwx_list_add() {
	local name="${1}"
	shift
	local eval item text
	eval="printf \"\${${name}}\""
	text="$(eval "${eval}")"
	for item; do
		[ -n "${text}" ] &&
			text="${text}${RWX_LIST_SEP}"
		text="${text}${item}"
	done
	eval="${name}=\"${text}\""
	eval "${eval}"
}

rwx_list_test() {
	local list
	rwx_list_add list "a" "b" "c"
	rwx_list_add list "x" "y" "z"
	echo "${list}"
}