Date: Thu, 26 Dec 2002 09:40:57 -0800 From: "Brian" <bri@sonicboom.org> To: "Mike Jeays" <mj001@rogers.com>, "Kirk Bailey" <idiot1@netzero.net> Cc: <FreeBSD-Questions@FreeBSD.ORG> Subject: Re: cron/crontab befuddlement Message-ID: <005001c2ad05$f291fa50$3224200a@me3> References: <3E0B2984.7020405@netzero.net> <3E0B3AFB.4050607@rogers.com>
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onenice thing I've discovered is, if you want something done regularly, say
every 10 minutes, instead of typing 0,10,20,30,40,50 in the firat field, you
can just type */10 in the first field. This is a mass space and keystroke
saver for regularly repeated stuff..
Brian
----- Original Message -----
From: "Mike Jeays" <mj001@rogers.com>
To: "Kirk Bailey" <idiot1@netzero.net>
Cc: <FreeBSD-Questions@FreeBSD.ORG>
Sent: Thursday, December 26, 2002 9:23 AM
Subject: Re: cron/crontab befuddlement
> Kirk Bailey wrote:
>
> > ok, I read man cron and man crontab, and it's as clear as mud.
> > Anyplace I can read more and maybe make the light dawn on this useful
> > feature? OR, would anyone care to explain more?
> >
> Basically, you create a file where each line is a command to be executed
> on a given schedule. The line looks like this (first line is a
> descriptive comment):
>
> #minute hour mday month wday command
> 15 5 * * *
> /home/mike/bin/FindAll
>
> This says to run the command /home/mike/bin/FindAll at 15 minutes past
> 5, every day.
> The asterisks mean "ignore this field", in effect.
>
> Wday is the day of the week (I think Sunday=0, Monday 1 etc, but check)
> Month is the month, either 1-12 or a three-letter abbreviation, such as
> "Oct"
> Mday is the day of the month.
>
> So to run something at 11:15 on October 1st, you would say:
> 15 11 1 Oct * /home/me/mycommand.
>
> You must create this file by running "crontab -e", which will put you into
> your favourite editor. You can examine the file with "crontab -l"
>
> That's it, in a nutshell - details are from memory, so please check!
>
>
>
>
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