RCreceive

rednet.open("left")
t = turtle

function listen()
  senderID, message, protocol = rednet.receive()

  write("Received: " .. message .. "\n")

  if message == "forward" then
    t.forward()
  elseif message == "back" then
    t.back()
  elseif message == "left" then
    t.turnLeft()
  elseif message == "right" then
    t.turnRight()
  elseif message == "up" then
    t.up()
  elseif message == "down" then
    t.down()
  elseif message == 1 then
    t.select(message)
    name, amount, dmg = t.getItemDetail(message)
    result = name .. " " .. amount
    rednet.broadcast(result)
  elseif message == 2 then
    t.select(message)
    name, amount, dmg = t.getItemDetail(message)
  elseif message == 3 then
    t.select(message)
  elseif message == 4 then
    t.select(message)
  elseif message == 5 then
    t.select(message)
  elseif message == 6 then
    t.select(message)
  elseif message == 7 then
    t.select(message)
  elseif message == 8 then
    t.select(message)
  elseif message == 9 then
    t.select(message)
  elseif message == 10 then
    t.select(message)
  elseif message == 11 then
    t.select(message)
  elseif message == 12 then
    t.select(message)
  elseif message == 13 then
    t.select(message)
  elseif message == 14 then
    t.select(message)
  elseif message == 15 then
    t.select(message)
  elseif message == 16 then
    t.select(message)
  else
    listen()
  end
end

while(true) do
  listen()
end