playerDetectorLock

local args = {...}

function main ()
    local detector = peripheral.find("playerDetector")

    parallel.waitForAny(
        -- physical
        function ()
            while true do
                -- player input
                term.clear()
                term.setCursorPos(1, 1)
                print ("Password: ")
                input = read("*")
                if input == "open" then
                    redstone.setOutput("bottom", true)
                    sleep(3)
                    redstone.setOutput("bottom", false)
                end
            end
        end,
        -- player detector
        function ()
            while true do
                local playerInRange = function (range)
                    local players = detector.getPlayersInRange(range)
                    return #players > 0
                end

                if detector ~= nil then
                    if playerInRange(6) then
                        redstone.setOutput("bottom", true)
                    else
                        redstone.setOutput("bottom", false)
                    end
                end
            end
        end
    )
end

if args[1] == "update" then
    shell.run("pastebin", "run", "FuQ3WvPs f6Y3M1MP playerDetectorLock")
else
    peripheral.wrap("top")
    main()
end