parse_arguments

# File railties/lib/rails/commands/console.rb, line 12
      def parse_arguments(arguments)
        options = {}

        OptionParser.new do |opt|
          opt.banner = "Usage: rails console [environment] [options]"
          opt.on('-s', '--sandbox', 'Rollback database modifications on exit.') { |v| options[:sandbox] = v }
          opt.on("-e", "--environment=name", String,
                  "Specifies the environment to run this console under (test/development/production).",
                  "Default: development") { |v| options[:environment] = v.strip }
          opt.on("--debugger", 'Enable the debugger.') { |v| options[:debugger] = v }
          opt.parse!(arguments)
        end

        if arguments.first && arguments.first[0] != '-'
          env = arguments.first
          if available_environments.include? env
            options[:environment] = env
          else
            options[:environment] = %(production development test).detect {|e| e =~ /^#{env}/} || env
          end
        end

        options
      end