Query iCal events from MacRuby

cal.rb

#!/usr/local/bin/macruby
framework 'calendarstore'

thirty_days_ago = NSDate.dateWithString((Time.now - (30 * 3600 * 24)).to_s)
today = NSDate.date

store = CalCalendarStore.defaultCalendarStore
predicate = CalCalendarStore.eventPredicateWithStartDate(thirty_days_ago, endDate:today, calendars:CalCalendarStore.defaultCalendarStore.calendars)

store.eventsWithPredicate(predicate).each do |event|
  if event.title.downcase.include? "test"
    puts "#{event.startDate.strftime('%d-%m-%y')}\t#{event.title}"
  end
end

output.txt

08-01-13    New Test
15-01-13	iOS test