From: wmorgan-sup@masanjin.net (William Morgan)
Subject: [sup-talk] possible mbox "initial From" fix
Date: Mon, 04 May 2009 07:35:20 -0700 [thread overview]
Message-ID: <1241447393-sup-7632@entry> (raw)
In-Reply-To: <6bb609560904291751n3cc62f46g6a4edcba1f97d6f7@mail.gmail.com>
Reformatted excerpts from Bart Schaefer's message of 2009-04-29:
> We found that in most cases this failed at (1) or succeeded very
> quickly at (6a). Only obscure cases proceed to (7), but if you're
> dealing with anything like old USENET news archives or folders written
> by '80s-era mail clients you need either step (4) or step (7) to get
> past the cruft.
>
> Note that the key is finding "From ... DATE" rather than "From ADDRESS
> ..." if you really want to distinguish message separators from stuff
> people type in a message body. I'm not sure you can do this with a
> regular expression.
Thanks! This is really helpful. I am a little worried about the current
fix, since there's no real requirement that an email address have an @
sign in it for local users, and that will result in false negatives,
and there's a non-trivial potential for false positives.
If we went this route (which wouldn't require a big changeset), I may
punt on parsing the date myself and just rely on Time.parse. Speed
shouldn't really be affected (except in weird pathological cases) since
the date parsing will be a second step. I like it.
--
William <wmorgan-sup at masanjin.net>
prev parent reply other threads:[~2009-05-04 14:35 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-29 18:02 William Morgan
2009-04-30 0:51 ` Bart Schaefer
2009-05-04 14:35 ` William Morgan [this message]
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