m = peripheral.wrap("left")
status = {...}
statusvar = (status[1])

function checkstatusFile()
	file = fs.open("statusFile", "r")
	validate = file.readAll()
	if validate == "off" and statusvar ~= "off" or validate == "off"then
		forcefield = "off"
	elseif validate == "on" and statusvar ~= "on" or validate == "on" then
		forcefield = "on"
	end
	
	if statusvar == "on" and validate ~= "on" or validate == "on" then
		forcefield = "on"
	elseif statusvar == "off" and validate ~= "off" or validate =="off" then
		forcefield = "off"
	end
	return(forcefield)
end



function applychanges()
	if forcefield == "on" then
		file = fs.open("statusFile", "w")
		file.write("on")
		file.close()
	elseif forcefield == "off" then
		file = fs.open("statusFile", "w")
		file.write("off")
		file.close()
	end
	
	if forcefield == off then
		m.setFreq(6)
		m.set(false)
	else
		m.setFreq(6)
		m.set(true)
	end
end
checkstatusFile()
applychanges()
print(forcefield)