Select plugin name and version from wp page or plugins

gistfile1.rb

# coding: utf-8
require 'open-uri'
require 'nokogiri'

url = "http://test.localhost/abc.plugin.html"

charset = nil
html = open(url) do |f|
    charset = f.charset
    f.read
end

doc = Nokogiri::HTML.parse(html, nil, charset)

plugins = Array.new()
doc.xpath('//tr[@class="active"]').each do |node|
    name =  node.xpath('td[@class="plugin-title"]/strong/text()').to_s
    ver = node.xpath('td/div[@class="active second plugin-version-author-uri"]/text()')
    /^[^ ]+ (.*) \| .*$/.match(ver[0].to_s)
    ver = $1
    plugins.push({'name'=> name, 'ver'=> ver})
end

require 'json'
puts JSON.generate(plugins)