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From: "T.V Raman" <raman@google.com>
To: monnier@iro.umontreal.ca
Cc: raman@google.com, emacs-devel@gnu.org
Subject: Re: Q: read-file-name: Descend into subdirs while using a predicate?
Date: Mon, 26 Sep 2022 10:05:49 -0700	[thread overview]
Message-ID: <25393.56301.786194.532602@retriever.mtv.corp.google.com> (raw)
In-Reply-To: <jwvleq6xf8x.fsf-monnier+emacs@gnu.org>

Thanks Stefan for the clear answer, and happy to know I wasn't
overlooking something simple.
Also, on  my laptop with an SSD, using 
directory-files-recursively appears to be blazingly fast for
relatively large directories --- so that "heavy hammer" is a good
intermediate solution for my usecase which was to filter media files,
epub books and the like.
Stefan Monnier writes:
 > T.V Raman [2022-09-26 07:45:08] wrote:
 > > This feels like a puzzle that should have an easy answer, but I've not
 > > found it:-)
 > 
 > It's a long standing "todo" :-(
 > 
 > Basically, we need to change the notion of "predicate" during completion
 > so as to distinguish the "predicate to filter completions" from the
 > "predicate to check if a value is fit to be returned from
 > `completing-read`" (AKA the distinguish the predicate passed to
 > `test-completion` from the predicate passed to `all/try/completions`).
 > 
 > I've been toying with the idea of letting the predicate return a third
 > option (beside nil and t) to say "it's acceptable for completions but
 > not for `test-completion`".
 > 
 > 
 >         Stefan

-- 

Thanks,

--Raman(I Search, I Find, I Misplace, I Research)
♉ Id: kg:/m/0285kf1  🦮

--

Thanks,

--Raman(I Search, I Find, I Misplace, I Research)
♉ Id: kg:/m/0285kf1  🦮

--

Thanks,

--Raman(I Search, I Find, I Misplace, I Research)
♉ Id: kg:/m/0285kf1  🦮



      reply	other threads:[~2022-09-26 17:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-26 14:45 Q: read-file-name: Descend into subdirs while using a predicate? T.V Raman
2022-09-26 16:41 ` Stefan Monnier
2022-09-26 17:05   ` T.V Raman [this message]

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