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Re: file-remote-p and its arguments

From: Stefan Monnier
Subject: Re: file-remote-p and its arguments
Date: Thu, 31 Jan 2008 09:49:09 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.0.50 (gnu/linux)

>> From what I can tell, the `connected' argument is *never* used.
> `recentf-keep-default-predicate'.

Indeed, thanks, I missed it.

> The reasoning is in
> <http://lists.gnu.org/archive/html/emacs-devel/2007-07/msg00416.html>

I see.  It does make sense :-(

>> And I have found only one use of the `identification' argument, if
>> grep.el where it seems not to be necessary: grep.el passes `host' for
>> that argument in order to build a map from hosts to default grep
>> commands and arguments, on the assumption that all users on a host will
>> have the same grep commands in their PATH.  I think this "optimization"
>> in grep.el (where they determine the grep defaults once per host instead
>> of once per remote access method (typically a triplet of
>> protocol/user/host)) is of no importance and is even not 100% reliable.

> It's less than an "optimization", it is just a kludge to let grep
> work also on remote hosts. The decision might be to either complete
> the implementation, or to throw away this feature.

This one I do not understand: using (file-remote-p file) for this
purpose would work just as well as (file-remote-p file 'host),
wouldn't it?


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