def run(*args)
      if args.empty? || (args.size == 1 && %w(-h --help).include?(args.first))
        puts help
      else
        sparkline = Sparkline.new(args.map(&:to_f))
        puts sparkline.to_s
      end
    end
def run(*args)
      if args.empty? || (args.size == 1 && %w(-h --help).include?(args.first))
        puts help
      else
        sparkline = Sparkline.new(args.map(&:to_f))
        puts sparkline.to_s
      end
    end
Runs sparkr with the given +args+
 @return [void]