savetodevice.lua

local _, files = os.pullEvent("file_transfer")
for _, file in ipairs(files.getFiles()) do
  local size = file.seek("end")
  file.seek("set", 0)
  local f = fs.open("songs/" .. file.getName(), "w")
  f.write(file.readAll())
  f.close()
  print("Sucessfully wrote song to device. Play with 'play \"" .. file.getName() .. "\"'.")
end