tinyStock.rb

require 'net/http'
require 'optparse'

print "\033[2J\033[;H"
$options = {}
$parser = OptionParser.new do |opts|
  opts.banner = "Usage: example.rb [options] 000001"

  opts.on("-c", "--[no-]color", "Print color") do |v|
    $options[:color] = v
  end
end

def parserStockCode(codes)
  codes.map! do |c|
    c = 'sh' + c if c.start_with?('60')
    c = 'sz' + c if c.start_with?('00')
    c
  end

  formal = codes.detect do |c|
    c =~ /^(sh|sz)\d{6}$/
  end

  if formal then
    return codes
  else
    puts $parser.help()
    exit
  end

end

$parser.parse!
codes = parserStockCode ARGV
codestrings =  codes.join(",")

$uri = URI('http://hq.sinajs.cn/list=' + codestrings)
def request
  res = Net::HTTP.get_response($uri)
  res.decode_content = true
  body = res.body.force_encoding('gb2312').encode('utf-8') if res.is_a?(Net::HTTPSuccess)
  dataArray = body.lines.map do |x|
    x =~ /\"(.*)\"/
    arr = $1.split(',')
    data = {}
    data[:name] = arr[0]
    data[:openingPrice] = arr[1]
    data[:closingPrice] = arr[2]
    data[:currentPrice] = arr[3]
    data[:hPrice] = arr[4]
    data[:lPrice] = arr[5]
    data[:buyPrice] = arr[6]
    data[:sellPrice] = arr[7]
    data[:totalNumber] = arr[8]
    data[:turnover] = arr[9]
    data[:buy1] = arr[10]
    data[:buy1Pirce] = arr[11]
    data[:buy2] = arr[12]
    data[:buy2Pirce] = arr[13]
    data[:buy3] = arr[14]
    data[:buy3Pirce] = arr[15]
    data[:buy4] = arr[16]
    data[:buy4Pirce] = arr[17]
    data[:buy5] = arr[18]
    data[:buy5Pirce] = arr[19]
    data[:sell1] = arr[20]
    data[:sell1Pirce] = arr[21]
    data[:sell2] = arr[22]
    data[:sell2Pirce] = arr[23]
    data[:sell3] = arr[24]
    data[:sell3Pirce] = arr[25]
    data[:sell4] = arr[26]
    data[:sell4Pirce] = arr[27]
    data[:sell5] = arr[28]
    data[:sell5Pirce] = arr[29]
    data[:date] = arr[30]
    data[:time] = arr[31]
    data[:up] = data[:currentPrice].to_f - data[:closingPrice].to_f
    data[:isUp] = data[:up] >= 0
    data[:rate] = data[:up] / data[:closingPrice].to_f * 100
    data
  end

  (1..dataArray.count).each do
    print "\033[1A\033[2K"
    print "\033[1A\033[2K"
  end

  dataArray.each do |x|
    if $options[:color] then
      if x[:isUp] then
        print "\033[0;31;40m"
      else
        print "\033[0;32;40m"
      end
    end
    puts "%s\t%s\t%-5.2f\t%-5.2f\%" % [x[:name], x[:currentPrice], x[:up], x[:rate]]
    puts "%0.2f\%" % x[:rate]
  end
end

while true
  request
  sleep 2
end