google_raw, a small google commandline tool

gistfile1.rbx

#!/usr/bin/ruby
=begin
$ google_raw -n1 euribor
Euribor Homepage
http://www.euribor.org/
    Euribor (Euro Interbank Offered Rate) is  the rate at which euro interban
    k term deposits within the euro zone are offered by one prime bank to ano
    ther prime ...Historical DataAbout EuriborAbout EoniaPress ReleasesWhat's
    newFAQsPanel BanksTechnical FeaturesMore results from euribor.org??

$ google_raw -n1 ピース
ピース - Wikipedia
http://ja.wikipedia.org/wiki/%E3%83%94%E3%83%BC%E3%82%B9
    出典: フリー百科事典『ウィキペディア（Wikipedia）』. 移動: ナビゲーション,  検索. ピース. Peace（ピース）は、英語で「平和
    」を意味する。 Piece（ピース）は、同じく英語で「欠片」を意味する。 ピース ( タバコ) - 日本の煙草の銘柄のひとつ。 ...
=end
$KCODE = 'u'
require 'hpricot'
require 'open-uri'
require 'cgi'
require 'optparse'
require 'iconv'
require 'stringio'

options = {:count => 1.0/0.0}

opts = OptionParser.new do |opts|
  opts.banner = "USAGE: #{$0} [options] keyword [keyword ...]"
  opts.separator ""
  opts.on("-h", "--help", "Show this message"){ puts opts.help; exit!(0) }
  opts.on("-n COUNT", Integer, "Maximum number of results to show"){|p|
    options[:count] = p
  }
end

begin
  opts.parse!(ARGV)
rescue => e
  STDERR.puts e.message
  STDERR.puts opts.help
  exit!(1)
end

if ARGV.empty?
  puts opts.banner
  exit!(1)
end

#STDERR.puts("Making query...")

open(
  "http://www.google.fi/search?q=" + CGI.escape(ARGV.join(" ")),
  "Accept-Charset" => "UTF-8;q=0.8",
  "User-Agent" => "Mozilla/5.0 (Windows; U; Windows NT 5.1; fi; rv:1.8.1.15)"+
                  " Gecko/20080623 Firefox/2.0.0.15"
){|f|
  charset = f.meta["content-type"].split("=").last
  outstr = StringIO.new
  page = Hpricot.parse(f.read)
  result_num = 0
  (page/"li.g").each{|li|
    break if result_num >= options[:count]
    result_num += 1
    a = (li/"a")[0]
    div = (li/"div")[0]
    div.children.each{|c|
      if c.respond_to?("etag") and
         ["cite","span","a"].include?(c.etag.inspect[2..-2])
        c.innerHTML = ""
      end
    }
    outstr.puts a.innerText
    outstr.puts a[:href]
    outstr.puts(div.innerText.scan(/.{1,72}\S{1,4}?\s*/u).map{|l| 
      "    " + l.strip })
    outstr.puts
  }

  outstr.rewind
  if charset != "UTF-8"
    puts(Iconv.iconv("UTF-8", charset, outstr.read))
  else
    puts outstr.read
  end
}