[ale] crontab

JK jknapka at kneuro.net
Thu Apr 23 13:52:22 EDT 2009


Pete Hardie wrote:
> On Thu, Apr 23, 2009 at 13:33, Chris Fowler <cfowler at outpostsentinel.com> wrote:
>> I want to execute a script at 6pm on the first Thursday of each month.
>> Is there a trick in crontab I can do?
>>
>> Here are the fields allowed
>>
>>              field          allowed values
>>              -----          --------------
>>              minute         0-59
>>              hour           0-23
>>              day of month   1-31
>>              month          1-12 (or names, see below)
>>              day of week    0-7 (0 or 7 is Sun, or use names)
>>
>> The only thing I can think of off the top of my head is to run it every
>> Thursday and then check to see if we are the first Thursday of the
>> month. If not, exit 0.
> 
> That looks like the only option - the only mention I found in GNU crontab was
> that day-of-month and day-of-week will BOTH be run if specified

Shock.  You're totally right, and that sux, since the same effect
could easily be achieved with multiple cron entries -- but there's
no way to achieve the effect Chris wants :-)

Apologies for my previous WRONG post.

-- JK

-- 
A closed mouth gathers no feet.


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