On Mon, 31 December 2001, jbk wrote:

> 
> I want my full backup script to run every fourth Monday and
> I thought the following sintax would do that, but this
> morning it ran again, this is the second Monday in the
> cycle.
> 
> '15 4 * * 1/4 /etc/backup/backup monday
> >>/var/log/backup/tape.log'
> 
> Does this syntax only work on the HOUR & DAYS_OF_MONTH
> fields? The man page doesn't say.

AFAIK, The Day of Month/Month fields are evaluated *separately* from the day-of-week field in cron: in other words, a match on EITHER field causes the job to run. Since the asterisk means "all possible values", I think that script will run every day at 4:15 AM.

FWIW. YMMV.

Bill Horne



> 
> The backup script is dependent on the DAY_OF_WEEK field, I
> could change this but it would be two weeks of testing
> again.
> 
> Jim Kelly-Rand
> 
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