gen_apache_dict.rb

#!/usr/bin/env ruby
require 'open-uri'
require 'nokogiri'

SOURCE = 'http://httpd.apache.org/docs/2.2/mod/quickreference.html'
DEST = 'apache.dict'

list = []

open(SOURCE) do |io|
  Nokogiri.HTML(io).xpath('//table[@class="qref"]/tr/td[1]').each do |td|
    list << td.text.split[0].delete('<') unless td['class'] == 'descr'
  end
end

open(DEST, 'w') do |io|
  list.sort.each {|e| io.puts e }
end