Re: How to remove messages from mbox based on relative date?

[Rob Mahurin <robm@mad.scientist.com>]

On Mon, Apr 23, 2001 at 06:05:07PM -0700, Mike Fedyk wrote:
> Hi,
> 
> I have a .procmailrc and am filtering, but now I don't want to have to
> delete my messages when they get old in certain mbox files.
> 
> Can I run procmail with another conf file and have it send messages with a
> "delivered" date older than N days?  Is procmail even the right tool, I'm
> not so sure...

You can run procmail on existing mailbox if you use formail to split
the box into messages, for example, 

mv mbox mbox.safe && cat mbox.safe | formail -ds procmail

You probably don't want to filter into and out of the same mailbox,
though; might produce an infinite loop or erase all your mails.  I'm
not sure how you do 'older than' in procmail.

You can also use mutt's folder hooks.  For example, I have 

#
# Tag "old" messages in mailinglists for "expiring" them.
# Simply press "d", after entering one of the folders, iff mutt asks
# "tag-"
#
folder-hook =debian-user$ 'push T~r>2w\n\;'             # 2 weeks

in my .muttrc, so when I switch to =debian-user and there are old
messages I see 'tag-' at the bottom of the screen and hit 'd' to
delete everything that's old.  Note that with 'push' mutt can do just
about whatever you want.

Hope that helps.

Rob

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