ComputerCraft - Key Card DoorLock

rs.setOutput("bottom", true)
while true do
	if disk.isPresent("top") then
		if fs.exists("disk/.security/key") then
			shell.run("disk/.security/key")
				if pass == "..." then
				rs.setOutput("bottom", false)
				sleep(3)
				rs.setOutput("bottom", true)
			else
				disk.eject("top")
			end
		else
			disk.eject("top)
		end
	end
	sleep(0.1)
end