test_msg_receiver

rednet.open("left")
local sender_id = 17
local my_id = os.getComputerID()
local msg_box = {}

function myreceive()
  while true do
    local res = {rednet.receive()}
    rednet.send(17, res[2])
    table.insert(msg_box,res)
  end
end

function guruguru()
  local pointer = 0
  while true do
--    print(#msg_box)
    local msg_box_size = #msg_box
    if pointer < msg_box_size then
      for i=pointer+1 , msg_box_size do
        local msg = msg_box[i][2]
        print(i,': ',msg)
        loadstring(msg)()
      end
      pointer = msg_box_size
    end

    -- main heavy working
    for i=1,16 do
      turtle.select(i)
    end
  end
end

parallel.waitForAll(myreceive, guruguru)