# File lib/columnize.rb, line 62
  def parse_columnize_options(args)
    list = args.shift
    if 1 == args.size && args[0].kind_of?(Hash)
      opts = DEFAULT_OPTS.merge(args[0])
      if opts[:arrange_array]
        opts[:array_prefix] = '['
        opts[:lineprefix]   = ' '
        opts[:array_suffix] = "]\n"
        opts[:colsep]       = ', '
        opts[:arrange_vertical] = false
      end
      opts[:ljust] = !(list.all?{|datum| datum.kind_of?(Numeric)}) if 
        opts[:ljust] == :auto
      return list, opts
    else      
      opts = DEFAULT_OPTS.dup
      %w(displaywidth colsep arrange_vertical ljust lineprefix
        ).each do |field|
        break if args.empty?
        opts[field.to_sym] = args.shift
      end
      return list, opts
    end
  end