On Tue, Nov 19, 2002 at 11:52:54AM +1100, Jon Biddell wrote:
> Does anyone know of a script / program that will delete duplicates from
> an mbox ?
Something like this:
mv inbox inbox.save
formail -D 8192 .msgid.cache -s < inbox.save > inbox
should do what you want. I ran it on my inbox and it removed nothing.
I then ran it again and it stripped some messages. I repeated the
process with a larger cache and it removed everything the second time
through.
Save your inbox before running formail though, just in case.
To stop this happening in future, put this:
# strip duplicate messages
:0 Wh: msgid.lock
| formail -D 8192 .msgid.cache
in your .procmailrc.
Cheers,
John
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