Convert a Maximus Arcade game list to a MameUI game list

ma2mame.rb

require 'rubygems'
require 'json'
require 'open-uri'

filename = "MAME_Favorites.txt"

list_text = open(filename).read

# replace brackets
list_text.gsub!('[', '{')
list_text.gsub!(']', '}')

#replace key format
list_text.gsub!(/#(\w+):/, '"\1":')

# replace stupid win32 slashes
list_text.gsub!('\\', '-')

# prepare head of favorites file
out = "[FOLDER_SETTINGS]
RootFolderIcon cust1
SubFolderIcon cust2

[ROOT_FOLDER]
"

# add roms to list
JSON::parse(list_text).each_value do |rom|
  out << %{#{rom['name']}\n}
end

# write the file out
File.open('favorites.ini', 'w+').write(out)