statuss = "status"
local status


function speichern()
	local file = fs.open(statuss, "w")
		file.writeLine(status)
		file.close()
end

function laden()
	file = fs.open(statuss, "r")
	status = file.readLine()
	file.close()
end

function torauf()
	for i = 1,4 do
		rs.setBundledOutput("left", colours.orange)
		sleep(1)
		rs.setBundledOutput("left", colours.cyan)
		sleep(1)
	end
end

function torzu()
	for i = 1,4 do
		rs.setBundledOutput("left", colours.magenta)
		sleep(1)
		rs.setBundledOutput("left", colours.cyan)
		sleep(1)
	end
end
function abfrage()
	if rs.testBundledInput("right", colours.green) then
		if status == zu then
			torauf()
			status = offen
		else
			torzu()
			status = zu
		end
	end
end
local status = read()
while true do
speichern()
laden()
abfrage()
speichern()
end