[Eug-lug] crontab - last day of month

[Alan]

Matthew Jarvis wrote:
> It seems I stepped in some doodoo trying to accomplish this - hard to 
> believe this is so hard...
> 
> How do I tell a cron job to run on the last day of the month?
> 
> i.e. Feb 28 (or 29 whatever), Apr 30, Mar 31....  I'm being so explicit 
> because another group I posted this to just didn't grasp that I wanted 
> the last day, rather than specifically telling it the 28th or something...
> 
> One suggestion was to run it for 28, 29, 30, 31 and then determine some 
> other way if it's really the last day of the month...
> 
> Some say it can't be done... are they right?
> 
> 
The key is not figuring out if the current day is the last day, but 
figuring out if the next day is the _first_ day.
Shamelessly stolen from somewhere (don't ask me, I don't remember where):

#!/bin/sh
if test `TZ=PST-24 date +%d` = 1; then
   echo 1st
fi

-ajb