Ruby: Load the best available config file using ::YAML, of course

LoadConfig.rb

require 'thor'

class_option :config, :type => :string, :aliases => "-c", :desc => "Use an alternative YAML config file."
def initialize(*args)
  super

  config_files = Array.new
  config_files.push(options[:config]) if options[:config]
  config_files.push("#{ENV['XDG_CONFIG_HOME']}/awesomeness/awesomeness.yaml") if ENV['XDG_CONFIG_HOME']
  config_files.push("#{ENV['HOME'] || '~'}/.config/awesomeness.yaml")
  config_files.each { |file|
    if File::file?(file) and File::readable?(file)
      if not File::stat(file).mode =~ /.*744/
        File::chmod(0744,file)
      end
      @config_file = file
      break
    end
  }
  raise "No configuration file found, tried #{config_files.inspect}" unless defined? @config_file

  @log.debug("initialize: loading YAML config file #{@config_file}")
  @config = YAML.load_file(@config_file)
  raise "Configuration empty. YAML file corrupt. Available data is #{@config.inspect}" if @config.empty?

end
# vim: set ts=2 sts=2 ft=ruby fdm=marker sw=2 et:

umLoadConfig.md

Ruby: Load the best available config file using ::YAML, of course

... just so I don't try to reinvent my wheel again.