local ctrl = sensors.getController()
local sens = sensors.getSensors(ctrl)

function CheckPlayers()
  for i=1,#sens do
    local proximitySensor = sens[i]
    local playerProbe = sensors.getProbes(ctrl,proximitySensor)[3]
    local targets = sensors.getAvailableTargetsforProbe(ctrl, proximitySensor, playerProbe)

    for j=1,#targets do
      local playerTarget = targets[j]
      if playerTarget ~= nil then
        print("Players nearby " ..playerTarget)
      else
        print("No one is around")
      end
    end
  end
end

for i = 1, 20 do
  Monitor = peripheral.wrap("left")
  Monitor.clear()
  Monitor.setTextScale(2)
  Monitor.setCursorPos(1,1)
  Monitor.write("Entity Locator 2.0")
  Monitor.setCursorPos(1,2)
  Monitor.write("-------------------------------")
  CheckPlayers()
  print("run")
  sleep(1)
end