Easily generate playlists from folders of disc images. For lakka/retroarch.

romtool.rb

Game = Struct.new(:name, :path)
PATH_SLUG = '/storage/roms/USB/PSX/'.freeze
CORE_PATH = 'DETECT'.freeze
CORE_FRIENDLY_NAME = 'DETECT'.freeze
CRC_SLUG = '00000000|crc'.freeze
PLAYLIST_NAME = 'Sony - PlayStation.lpl'.freeze

games = []

Dir.foreach('.') do |folder|
  # Skip self and parent dirs
  next if [$PROGRAM_NAME, '..', '.'].include?(folder)
  next unless File.directory?(folder)

  game = Game.new
  game.name = folder
  rom_file_name = ''
  Dir.foreach('./' + folder) do |rom|
    next if ['..', '.'].include?(rom)
    rom_file_name = rom if rom.end_with? '.cue'
    rom_file_name = rom if rom.end_with? '.m3u'
    rom_file_name = rom if rom.end_with? '.PBP'
  end

  game.path = PATH_SLUG + game.name + '/' + rom_file_name
  games.push(game)
end

playlist = File.open(PLAYLIST_NAME, 'w')
games.each do |g|
  playlist.puts(g.path, g.name, CORE_PATH, CORE_FRIENDLY_NAME, CRC_SLUG, PLAYLIST_NAME)
end
playlist.close