# File lib/nanoc/cli/commands/view.rb, line 57
    def load_adsf
      # Load adsf
      begin
        require 'adsf'
        return
      rescue LoadError
        $stderr.puts "Could not find the required 'adsf' gem, " \
          "which is necessary for the view command."
      end

      # Check asdf
      begin
        require 'asdf'
        $stderr.puts "You appear to have 'asdf' installed, " \
          "but not 'adsf'. Please install 'adsf' (check the spelling)!"
      rescue LoadError
      end

      # Done
      exit 1
    end