CC RedNet State Toggler

print("(r)eceive or (t)transmit?")
recortrans = read()
if(recortrans == "r") then
 while 1<2 do
  if(rs.getInput("left") == false) then
   print("Placing down")
   turtle.placeDown()
  elseif(rs.getInput("left") == true) then
   print("Mining down")
   turtle.digDown()
  else
   print("WARNING: Received invalid command: "..msg)
  end
  sleep(1)
 end
else
 state = true
 while 1<2 do
  print(state)
  read()
  state = not state
  rs.setOutput("back", state)
 end
end