# File lib/nanoc/cli.rb, line 146
  def self.setup_cleaning_streams
    $stdout = Nanoc::CLI::CleaningStream.new($stdout)
    $stderr = Nanoc::CLI::CleaningStream.new($stderr)

    if !self.enable_utf8?
      $stdout.add_stream_cleaner(Nanoc::CLI::StreamCleaners::UTF8)
      $stderr.add_stream_cleaner(Nanoc::CLI::StreamCleaners::UTF8)
    end

    if !self.enable_ansi_colors?
      $stdout.add_stream_cleaner(Nanoc::CLI::StreamCleaners::ANSIColors)
      $stderr.add_stream_cleaner(Nanoc::CLI::StreamCleaners::ANSIColors)
    end
  end