iCalendar by ruby

gistfile1.rb

require 'rubygems'
require 'icalendar'
require 'date'

cal = Icalendar::Calendar.new
cal.event do
  dtstart  DateTime.new(2010, 05, 19, 22, 00), {'TZID' => 'Asis/Tokyo'}
  dtend    DateTime.new(2010, 05, 19, 22, 30), {'TZID' => 'Asis/Tokyo'}
  summary  "うちあわせ"
end
cal.event do
  dtstart  DateTime.new(2010, 05, 20, 22, 00), {'TZID' => 'Asis/Tokyo'}
  dtend    DateTime.new(2010, 05, 20, 22, 30), {'TZID' => 'Asis/Tokyo'}
  summary  "うちあわせ2"
end
cal.timezone do
  tzid  "Asia/Tokyo"
  standard do
    tzoffsetfrom "+0900"
    tzoffsetto   "+0900"
  end
end
cal.publish

puts cal.to_ical