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From: Nicolas Kowalski <Nicolas.Kowalski@imag.fr>
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Subject: Re: archiving old mail
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In-Reply-To: <ilu4rn2lu1w.fsf@dhcp128.extundo.com> (Simon Josefsson's
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Simon Josefsson <jas@extundo.com> writes:

> Nicolas Kowalski <Nicolas.Kowalski@imag.fr> writes:
>
>> Simon Josefsson <jas@extundo.com> writes:
>>
>>>>
>>>> expiry-target is new in Oort.  Your challenge is to find a way to make
>>>> the value of expiry-target into an eval -- I don't know if that's
>>>> possible or not in the current scheme.
>>>
>>> `expiry-target' can be a function, it will be called narrowed to the
>>> message in question.
>>

<snip bad_code>

> Perhaps the following works?
>
> (expiry-target . my-expiry-target-function)
>
> (defun my-expiry-target-function (group)
>   "Return the archive group filename"
>   (concat "archive." group "." 
> 	  (format-time-string "%Y.%m" 
> 			      (safe-date-to-time 
> 			       (message-fetch-field "Date")))))


Unfortunately no. I just tried with a big group. The expiry process
takes much more time, but no archive group is created. 

Hmm, this is perhaps the trick : the archive group should exist before
the expiration process begins. What is the function for this ?

Nicolas.