[ILUG] CRONTAB & %

[Pádraig Brady]

On 05/14/2012 05:21 PM, Frank Murphy wrote:
> crontab -e:
> 0 6 * * 2 [ `date +%e` -gt 1 -a `date +%\e` -lt 7 ] && <MY COMMAND>
> 
> Have I the backslash in the correct place?
> 
> Trying to do 1st Tuesday of each month.

You need to escape both of the % above
(note % is converted to \n otherwise).
Now you don't need both date commands,
so this should work:

0 6 * * 2 [ $(date +\%e) -le 7 ] && <MY COMMAND>

For details see: man 5 crontab

cheers,
Pádraig.