$ npm install --global wallpaper-everyday

$ wallpaper -h
Usage: wallpaper [options] [command]

Options:
  -V, --version            output the version number
  -h, --help               output usage information

Commands:
  update [options] <file>  Update desktop wallpaper with file path or remote url
  get                      Get desktop wallpaper real path
  random [options] <from>  Random desktop wallpaper change. from: [QJP, unsplash, bing]
  daily [options] <from>   Daily wallpaper. from: [bing, unsplash, netbian]
  clear [options]          Clear the currently used wallpaper
  switch [options]         Switch cached wallpapers

Examples:
  $ wallpaper update https://examples.com/wallpaper.jpg
  $ wallpaper random QJP
  $ wallpaper daily bing