[sclug] cron expression
Ed Davies
sclug at edavies.nildram.co.uk
Tue Jan 23 18:03:16 UTC 2007
Jonathan H N Chin wrote:
> If you have GNU date on your path:
>
> MM HH * * * [ `date -d+2day +%d` = 1 ] && MYSCRIPT
Thanks - I've learnt something new about date which could come
in handy as I will soon be needing a script which knows the
previous day's date.
However, I needed:
[ `date -d+9day +%d` = 01 ] && echo boo
with a leading zero on the number to get it to say "boo".
> Fill in MM, HH and MYSCRIPT as appropriate.
>
> You could give DoM as "28,29,30,31" but it hardly seems worth it.
27,28,29,30 surely?
Ed.
More information about the Sclug
mailing list