CC ID/Registration

function clearScreen()
  term.clear()
  term.setCursorPos(1,1)
end
sleep(2.5)
while true do
  nread = fs.open(disk.getMountPath("right").."/#","r")
  n=nread.readLine()
  nread.close()
  n=n+math.random(1,10)
  nwrite = fs.open(disk.getMountPath("right").."/#","w")
  nwrite.write(n)
  nwrite.close()
  clearScreen()
  print("Please Insert Disk Below.")
  os.pullEvent("disk","bottom")
  clearScreen()
  print("Enter Newbie's Name:")
  name = read()
  if name == "Terminate" then break end
  Names = fs.list(disk.getMountPath("right"))
  print("Checking for Duplicates")
  for i=1,9999 do
    if Names[i] == name then
      print("Name Already Registered.")
      error()
    end
    if Names[i] == nil then
      NewID = fs.open(disk.getMountPath("right").."/"..name,"w")
      NewID.write(n)
      NewID.close()
      break
    end
  end
  print("Printing ID.")
  disk.setLabel("bottom",name)
  fs.copy(disk.getMountPath("right").."/"..name,disk.getMountPath("bottom").."/"..name)
  print("success!")
  clearScreen()
  print("Please remove your disk.")
  os.pullEvent("disk_eject","bottom")
end