brong at fastmail.fm
Wed Sep 15 18:24:04 EDT 2010
On Wed, Sep 15, 2010 at 05:24:11PM +0100, Gavin McCullagh wrote:
> On Wed, 15 Sep 2010, Nik Conwell wrote:
> > Isn't the easy hack for dedup just looking at the above md5 files and
> > then doing appropriate hard links? This could be done by a nightly
> > trawl of the spool space. A bigger win would be to separate the headers
> > from the messages but that's a lot more work.
> For what it's worth, I believe the fsdup tool which is part of fslint will
> do this for you.
Or this lovely little toy. It uses the fact that in current versions of
Cyrus the "GUID" field is actually the sha1 of the underlying file.
Bron ( warning: may contain FastMail specific assuptions )
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