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)