I have a project for which I need a generalized time-based scheduling daemon. cron(8) is almost ideal, but it only has minute-level resolution. So, I'm thinking about modifying cron to add second-level resolution.
Before I start, I thought I'd ask a few questions:
* Has someone already done this?
* Is it a Really Bad Idea for some reason?
* Would anyone else be interested in having these modifications?
The crontab(5) syntax is pretty well set in stone, but I think I see a way to extend it without causing any breakage. Specifically, I'd extend the format of the "minute" field, as:
1 minute 1 1,5 minutes 1 and 5 * any minute */5 any minute that is divisible by 5
1:2 second 2 of minute 1 1:2,5:10 second 2 of minute 1 and second 10 of minute 5 *:3 second 3 of any minute *:*/5 any second that is divisible by 5
Comments and suggestions (sans flamage) are solicited.
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