Hi people thanks for the input, but an crontab entry do not fix my problem, then it is possible that the 3th sunday is not between 15-21 ...
a sample: I start at 10 January 2010 (first Sunday) the 3th Sunday is now the 31 January and so on Greets Thomas -------- Original-Nachricht -------- > Datum: Tue, 29 Dec 2009 13:35:03 -0500 > Von: Rafael Carneiro <[email protected]> > An: Opsview Users <[email protected]> > Betreff: Re: [opsview-users] schedule downtime > Thanks for the explanation Stu, I now understand Martin's point. > I would suggest then changing the cront to: > 0 4 15-21 * * /path/to/my/script > and then have the script check if it is indeed a Sunday. > > Rafael > > > On Tue, Dec 29, 2009 at 1:18 PM, Stu Teasdale <[email protected]> > wrote: > > > On Tue, Dec 29, 2009 at 11:34:56AM -0500, Rafael Carneiro wrote: > > > $quoted_author = "Martin Barry"; > > > > b) schedule with CRON every day from 15th to 21st but exit > immediately > > if > > > it's not a Sunday. > > > > > > That's exactly what one would achieve by using the crontab entry > suggest > > in > > > the first email of this thread (2nd zero=Sunday): > > > 0 4 15-21 * 0 /path/to/my/command > > > > Unfortunately a quirk of the crontab format is that weekdays logically > > OR with the other fields, rather than ANDing, as the previous replies > > explained. Check man 5 crontab for details. > > > > Stu > > > > -- > > From the prompt of Stu Teasdale > > > > Love means nothing to a tennis player. > > _______________________________________________ > > Opsview-users mailing list > > [email protected] > > http://lists.opsview.org/lists/listinfo/opsview-users > > -- Preisknaller: GMX DSL Flatrate für nur 16,99 Euro/mtl.! http://portal.gmx.net/de/go/dsl02 _______________________________________________ Opsview-users mailing list [email protected] http://lists.opsview.org/lists/listinfo/opsview-users
