From: ara.t.howard@...
Date: 2005-12-07T02:14:17+09:00
Subject: Re: Ruby Event Manager / Scheduler

On Wed, 7 Dec 2005, Ryan Leavengood wrote:

> I have considered writing a cron-like system in pure Ruby, as it would
> allow the type of scheduling you are talking about on all platforms in
> a consistent manner. At the moment we have cron on Unix systems,
> Scheduled Tasks on Windows, etc., all of which operate differently.
>
> I haven't yet created this system, but I have played with some of the
> ideas. The way I was going was to have a server process with a thread
> that wakes up every 10 seconds or so, checks the date and time against
> tasks that need to be run, and any tasks that have "expired" times
> would be run in their own threads. It is pretty simple, and a basic
> version would be easy to code. The complexity comes when you try to
> provide complex scheduling rules (i.e. "run this task M-F at 2AM from
> May to September.") But if you just have simple date and time based
> scheduling rules, this will be easy.

this would help

   http://runt.rubyforge.org/

-a
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