require 'eventmachine'
require 'em-dir-watcher'

EM.kqueue = true if EM.kqueue?
EventMachine.run do
  puts 'Watching .'
  dw = EMDirWatcher.watch '.',
        :include_only => ['*.html'],
        :exclude => [],
        :grace_period => 0.1 do |paths|
    puts paths
  end

  puts 'Everything goes well so far'

  EventMachine::Timer.new(10) do
     puts 'Stoping EMDirWatcher. ruby CPU usage is 100% now. WTF?'
     dw.stop
   end
end