I never recommend using pipes in cfengine. You can do classmatch, AND, OR
on the existing dates to accomplish the result.
Perhaps first and last Mon-Sun are useful classes to build in.
Matt Richards wrote:
> okay, I got it. Kinda hacky with all the pipes:
>
> vars:
> "year" string => execresult("/usr/bin/date +%Y","noshell");
> "month" string => execresult("/usr/bin/date +%m","noshell");
> "last_day" string => execresult("/usr/bin/cal $(month) $(year) |
> awk '{print $7}' | grep -E "^[0-9]" | tail -1","useshell");
>
> classes:
> "Last_Saturday" expression => classify("Day$(last_day)");
>
> On Wed, Mar 3, 2010 at 8:26 AM, Matt Richards <[email protected]> wrote:
>> Interesting. I had something similar with how to schedule for the last
>> day of the month (ya, the shell commands are cheating a bit):
>>
>> vars:
>> "year" string => execresult("/usr/bin/date +%Y","noshell");
>> "month" string => execresult("/usr/bin/date +%m","noshell");
>> "last_day" string => execresult("/usr/bin/cal $(month) $(year) |
>> grep . | fmt -1 | tail -1","useshell");
>>
>> classes:
>> "End_Of_Month" expression => classify("Day$(last_day)");
>>
>> .
>> .
>> .
>>
>> End_of_Month.Hr23::
>>
>> So basically at 11:00pm on the last day of the month, it would fire
>> off. I am thinking something similar might be possible for the last
>> Saturday.
>>
>>
>> 2010/3/3 <[email protected]>:
>>> Over at Ars there was a discussion about scheduling a cron job for the
>>> last Saturday of each month. Alas, cron cannot do this on its own. What
>>> followed as a lot of short scripts to help but very few were portable.
>>>
>>> One of the newer goals of Cfengine is to be an enterprise scheduler. For
>>> fun and reputation how would you use Cfengine to schedule a job on the
>>> last Saturday of each month?
>>>
>>> Sincerely,
>>> --
>>> Neil Watson
>>> 416-673-3465
>>>
>>>
>>>
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