From owner-freebsd-questions@FreeBSD.ORG  Tue Aug 30 15:17:47 2005
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Date: Tue, 30 Aug 2005 10:16:24 -0500
From: Kevin Kinsey <kdk@daleco.biz>
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To: Nicolas Blais <nb_root@videotron.ca>
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Cc: freebsd-questions@freebsd.org
Subject: Re: crontab : day-of-month support for last-day-of-month
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Nicolas Blais wrote:

>Hi,
>
>Does our crontab allow the use of "L" (as found on 
>http://wiki.opensymphony.com/display/QRTZ1/CronTriggers+Tutorial?decorator=printable) 
>in the day-of-month field which would allow for a job to run on a 31th or feb 
>28? 
>
>It would be useful for certain apps like /www/awstats to update their database 
>on the last hour of the month since putting the cron job on the 1st of the 
>month makes the software update in a new month and putting it on the 30th of 
>the month might loose 1 day.
>
>Nicolas.
>  
>

As Lowell noted, "last day" isn't an option currently.  Any number of
scripting languages, though, are capable of handling this.

Here was a solution we came up with, using PHP, a couple years
ago:

http://www.daleco.biz/articles/page.php?story=20

I'm sure something like this, or better, would be possible
with PERL, ruby, etc., or possibly even sh/bash, though I've
not tried.

HTH,

Kevin Kinsey