Wireless Turtle Thingy!

rednet.open("right")
while true do
  evnt = {os.pullEvent("rednet_message")}
  --[[for i = 1,#evnt do
    print(i..". "..evnt[i])
  end]]--
  args = {}
  for word in evnt[3]:gmatch("%w+") do
    table.insert(args,word)
    --print("Arg:"..word)
  end
  if #args == 1 then
    cmd = string.lower(args[1])
    if cmd == "up" then
      turtle.up()
    elseif cmd == "down" then
      turtle.down()
    elseif cmd == "left" then
      turtle.turnLeft()
    elseif cmd == "right" then
      turtle.turnRight()
    elseif cmd == "go" then
      turtle.forward()
    elseif cmd == "back" then
      turtle.back()
    end
  elseif #args == 2 then
    cmd = string.lower(args[1])
    action = " "
    if cmd == "up" then
      action = "turtle.up()"
    elseif cmd == "down" then
      action = "turtle.down()"
    elseif cmd == "left" then
      action = "turtle.turnLeft()"
    elseif cmd == "right" then
      action = "turtle.turnRight()"
    elseif cmd == "go" then
      action = "turtle.forward()"
    elseif cmd == "back" then
      action = "turtle.back()"
    end
    if action ~= " " then
      if tonumber(args[2]) then
        for n = 1,tonumber(args[2]) do
          loadstring(action)()
        end
      end
    end
  end
end