Computer Craft RCT v1.0a - Turtle

function RCT()
 while true do
  local scrap, msg = rednet.receive()
  if msg == "RCF" then
   if turtle.detect() == false then
    turtle.forward()
   end
  elseif msg == "RCMF" then
   if turtle.detect() then
    turtle.dig()
   end
  elseif msg == "RCGF" then
   if turtle.detect() then
    turtle.dig()
   end
   turtle.forward()
  elseif msg == "RCPF" then
   if turtle.detect() == false then
    turtle.place()
   end
  elseif msg == "RCAF" then
   turtle.attack()
  elseif msg == "RCB" then
   turtle.back()
  elseif msg == "RCL" then
   turtle.turnLeft()
  elseif msg == "RCR" then
   turtle.turnRight()
  elseif msg == "RCU" then
   if turtle.detectUp() == false then
    turtle.up()
   end
  elseif msg == "RCMU" then
   if turtle.detectUp() then
    turtle.digUp()
   end
  elseif msg == "RCGU" then
   if turtle.detectUp() then
    turtle.digUp()
   end
   turtle.up()
  elseif msg == "RCPU" then
   if turtle.detectUp() ==false then
    turtle.placeUp()
   end
  elseif msg == "RCAU" then
   turtle.attackUp()
  elseif msg == "RCD" then
   if turtle.detectDown() == false then
    turtle.down()
   end
  elseif msg == "RCMD" then
   if turtle.detectDown() then
    turtle.digDown()
   end
  elseif msg == "RCGD" then
   if turtle.detectDown() then
    turtle.digDown()
   end
   turtle.down()
  elseif msg == "RCPD" then
   if turtle.detectDown() == false then
    turtle.placeDown()
   end
  elseif msg == "RCAD" then
   turtle.attackDown()
  elseif msg == "RC1" then
   turtle.select(1)
  elseif msg == "RC2" then
   turtle.select(2)
  elseif msg == "RC3" then
   turtle.select(3)
  elseif msg == "RC4" then
   turtle.select(4)
  elseif msg == "RC5" then
   turtle.select(5)
  elseif msg == "RC6" then
   turtle.select(6)
  elseif msg == "RC7" then
   turtle.select(7)
  elseif msg == "RC8" then
   turtle.select(8)
  elseif msg == "RCRF" then
   if turtle.getItemCount(16) == 0 then
    sleep(0)
    --(Add): Send message to computer: No fuel available!
   elseif turtle.getItemCount(16) > 0 then
    if turtle.getFuelLevel() > 64 then
     sleep(0)
     --(ADD): Send to computer: No need to refuel!
    elseif turtle.getFuelLevel() < 64 then
     if turtle.refuel(0) == false then
      sleep(0)
      --(ADD): Send to computer: Item in slot 16 is not a valid fuel!
     elseif turtle.refuel(0) == true then
      turtle.refuel(16)
      --(ADD): Send to computer: Refuel successful!
     end
    end
   end
  end
 end
end

rednet.open("right")
term.clear()
term.setCursorPos(1,1)
print[[Remote Controlled Turtle Initiated!
 - This turtle is being controlled from a remote location
Program by 44shades44]]

RCT()