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From: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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Subject: Re: More expire/adaptive thoughts/questions
Date: 25 Oct 1996 08:59:12 +0100
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Wesley.Hardaker@sphys.unil.ch writes:

> Ok, to quote the manual:
> 
>     By the way, that line up there about Gnus never expiring
>     non-expirable articles is a lie.  If you put `total-expire' in the
>     group parameters, articles will not be marked as expirable, but
>     all read articles will be put through the expiry process.  Use
>     with extreme caution.
> 
> 1) Why is this a bad idea (ie, why extreme caution)?

It isn't a bad idea -- it's a good idea.  You should really know what
you're doing before using it, though.

> 2) One guess:  does it zap cached or ticked articles?

The cache is orthogonal to expiry; and ticked articles aren't read.
So, no.

> 3) If I do something like, say,
>      find ~/News/nnml/group -name '[0-9]*' -atime +14 -exec rm {} \;
>    What does this do to gnus?  IE, is it possible to run a expire cron
>    job safely?  Or does this mess up the active/overview files?

The NOV file lines won't be expired properly.

-- 
  "Yes.  The journey through the human heart 
     would have to wait until some other time."