search_for_hiragana_by_google.rb

#!/usr/bin/ruby19
# coding: utf-8

require 'mechanize'

hiragana_characters = %w(
あ い う え お
か き く け こ
さ し す せ そ
た ち つ て と
な に ぬ ね の
は ひ ふ へ ほ
ま み む め も
や    ゆ    よ
ら り る れ ろ
わ          を
ん
)


agent = WWW::Mechanize.new
agent.user_agent_alias = 'Linux Mozilla'
agent.get('http://www.google.co.jp/')
result_xpath = 'p#resultStats/b[2]/text()'

results = {}

agent.page.form_with(:name => 'f') do |form|
  hiragana_characters.each do |ch|
    form.field_with(:name => 'q').value = ch
    form.click_button
    result = agent.page.at(result_xpath)
    results[ch] = result.to_s.delete(',').to_i
    sleep 1
  end
end

results = results.sort {|a, b| a[1] <=> b[1]}

results.each_index do |index|
  results[index][1] = results[index][1].to_s.reverse.scan(/\d{1,3}/).join(",").reverse
end

greatest_width = results.last[1].length
format = "%#{greatest_width}s"

results.reverse.each do |ch, result|
  print "#{ch} #{format % result}\n"
end

puts "\n"
puts Time.now