computercraft - list quarry

--[[
    remember to change monitor and chest (just change left/right)
--]]

chest = peripheral.wrap('right')
monitor = peripheral.wrap('left')


lastTime = os.time()
lastItem = "nothing"
function clear_monitor()
    monitor.clear()
end

function send_monitor(line, text)
    monitor.setCursorPos(1, line)
    monitor.write(text)
end

while true do
    itemInFirstSlot = chest.getStackInSlot(1)
    if itemInFirstSlot ~= nil then
        lastTime = os.time()
        lastItem = itemInFirstSlot.name
    end
    lastUpdate = os.time() - lastTime
    clear_monitor()
    send_monitor(1, itemInFirstSlot.name)
    send_monitor(2, lastUpdate .. "s ago")
    sleep(1)
end