Beacon Turtle [Beacon]

while true do
local id, msg = rednet.receive()
if msg == "$REGISTER$" then
local turtleID = id
rednet.send(turtleID, "$REGISTER$")
break
end
end
while true do
local auth, isping = rednet.receive()
if auth == turtleID and isping == "$PING$" then
rednet.send(turtleID, "$PING$")
end
end