ginko_timer.rb

# encoding: utf-8

require 'date'
require './timer.rb'

@last_update = nil

def tweet
  d = DateTime.now

  return if @last_update and @last_update.hour == d.hour

  if d.hour == 21
    p 'update'
  end

  @last_update = d
end

timer = Timer.new(1) {
  Thread.new() {
    p 'tweet()'
    tweet
  }
}

timer.start

loop do