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Set custom refresh rates for subscribed iCal calendars Apps
I got annoyed with the fact that iCal only contains a few options for how often it will auto-refresh subscribed calendars, especially since the lowest interval is 15 minutes. We are publishing and subscribing over a LAN, so no worries about bandwidth; we wanted updates at most every two minutes. If you also want to change the refresh interval for subscribed iCal calendars, it is dead easy:
  1. In iCal, subscribe to all the calendars you want, and set the refresh to 15 minutes.
  2. Quit iCal (nothing will happen if you don't).
  3. In your ~/Library -> Preferences folder, open the file (TextEdit will do).
  4. Each calendar will have an entry in this file. Look for the line like this:
    Where cal_name is the name of the subscribed calendar. Somewhere below that line, you'll find:
    Change this value to your desired refresh interval (in seconds) - I use 120 (two minutes).
  5. Save and close the file.
  6. Re-start iCal
In the info window for the calendar, you will notice it now correctly lists your new refresh interval. A word of warning -- do not change the value with the pop-up menu in the info window. If you do, your custom choice will disappear, and you'll have to do these steps again.
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Set custom refresh rates for subscribed iCal calendars | 2 comments | Create New Account
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Similar patch for reminder times?
Authored by: magir on May 19, '04 08:03:58AM

Quite a good hint. What I would like is a way to modify the reminder times. When an event pops up I can only choose: repeat in 1 minute, 5 minutes, 1 hour, sometimes 2 hours... I would like to have something like 10 minutes before event starts or in x hours, where x is freely definable - that would be great. Perhaps I should file a bug report with Apple for that. Anyone tried to patch this by hand by modifying some files within iCal?

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Similar patch for reminder times?
Authored by: grafikat on Aug 26, '04 05:50:09PM

Still looking for an answer! 5 min is too short, and 1 hour is too long!

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