CC cable network distance test

local function mainLoop()
  local running = true
  local t = os.startTimer(1)
  while running do
    local event, p1, p2, p3, p4, p5 = os.pullEvent()
    if (event == "timer" and p1 == t) then
      local lst = peripheral.getNames()
      local mcTime = textutils.formatTime(os.time(), true)
      print(mcTime)
      for l = 1, #lst do
        if (peripheral.getType(lst[l]) == "monitor") then
          local mon = peripheral.wrap(lst[l])
          mon.setTextColor(colors.white)
          mon.setBackgroundColor(colors.black)
          mon.clear()
          local w, h = mon.getSize()
          local x = math.floor((w - #mcTime) / 2) + 1
          local y = math.floor((h - 1) / 2) + 1
          mon.setCursorPos(x, y)
          mon.write(mcTime)
          mon = nil
        end
      end
      lst = nil
      mcTime = nil
      t = os.startTimer(1)
    elseif (event == "char") then
      local c = string.lower(p1)
      if (c == "q") then
        running = nil
      end
    end
  end
end

mainLoop()