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From: Stefan Monnier <monnier@iro.umontreal.ca>
To: Sam Steingold <sds@gnu.org>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: convert-standard-filename
Date: Sun, 07 Aug 2011 23:24:17 -0400	[thread overview]
Message-ID: <jwvoc00k2w8.fsf-monnier+emacs@gnu.org> (raw)
In-Reply-To: <CAFsbZ7Zwug66XLMmu4=oGk3GzgUP2ZA5kxznFVCJ83U43gPqmw@mail.gmail.com> (Sam Steingold's message of "Sun, 7 Aug 2011 17:20:29 -0400")

>>> [file-name-equal] should only operate on names without performing
>>> any actual file/directory lookup.
>> Why do you want to avoid hitting the disk?

Because I'd like it to work for files and directories which may not even
exist (yet?).  But maybe that's unrealistic (I guess the foobar ->
foob~1 rewrite in some Windows cases probably can't work without
hitting the disk).

> when one is prepared to bear the cost, one can do
> (file-name-equal (truename f1) (truename f2))

If it can only work for existing files/directories, then comparing the
output of file-attributes (esp elements 10 and 11) seems like a better
implementation, at least on POSIX.
But then it's not "file-name-equal" but "file-equal".


        Stefan



  parent reply	other threads:[~2011-08-08  3:24 UTC|newest]

Thread overview: 39+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1QjaPL-0003HL-TM@colonialone.fsf.org>
2011-08-02  3:39 ` [Emacs-diffs] /srv/bzr/emacs/trunk r105295: * lisp/progmodes/etags.el (etags-file-of-tag, etags-tags-table-files) Stefan Monnier
2011-08-02  4:34   ` Sam Steingold
2011-08-02  4:51   ` Eli Zaretskii
2011-08-02 18:57     ` Stefan Monnier
2011-08-02 19:12       ` Eli Zaretskii
2011-08-02 20:24         ` Stefan Monnier
2011-08-03  9:05           ` Eli Zaretskii
2011-08-05 17:18             ` convert-standard-filename (was: [Emacs-diffs] /srv/bzr/emacs/trunk r105295: * lisp/progmodes/etags.el (etags-file-of-tag, etags-tags-table-files)) Stefan Monnier
2011-08-06  7:20               ` Eli Zaretskii
2011-08-07 15:33                 ` convert-standard-filename Stefan Monnier
2011-08-07 15:43                   ` convert-standard-filename Lennart Borgman
2011-08-07 19:43                     ` convert-standard-filename Stefan Monnier
2011-08-07 22:05                       ` convert-standard-filename Lennart Borgman
2011-08-08  2:54                         ` convert-standard-filename Eli Zaretskii
2011-08-08  3:23                           ` convert-standard-filename Lennart Borgman
2011-08-08  4:19                             ` convert-standard-filename Eli Zaretskii
2011-08-08  4:26                               ` convert-standard-filename Lennart Borgman
2011-08-08  4:38                                 ` convert-standard-filename Eli Zaretskii
2011-08-08 10:37                                   ` convert-standard-filename Lennart Borgman
2011-08-08 11:31                                     ` convert-standard-filename Eli Zaretskii
2011-08-08 17:15                                       ` convert-standard-filename Lennart Borgman
2011-08-07 16:18                   ` convert-standard-filename Eli Zaretskii
2011-08-07 16:22                     ` convert-standard-filename Lennart Borgman
2011-08-07 20:19                     ` convert-standard-filename Stefan Monnier
2011-08-07 20:35                       ` convert-standard-filename Eli Zaretskii
2011-08-07 21:20                         ` convert-standard-filename Sam Steingold
2011-08-08  2:53                           ` convert-standard-filename Eli Zaretskii
2011-08-08  3:24                           ` Stefan Monnier [this message]
2011-08-08  4:14                             ` convert-standard-filename Eli Zaretskii
2011-08-08 18:20                               ` convert-standard-filename Stefan Monnier
2011-08-08 19:14                                 ` convert-standard-filename Eli Zaretskii
2011-08-08 21:24                                   ` convert-standard-filename Stefan Monnier
2011-08-09  5:19                                     ` convert-standard-filename Eli Zaretskii
2011-08-09 18:33                                       ` convert-standard-filename Stefan Monnier
2011-08-09 18:36                                       ` convert-standard-filename Stefan Monnier
2011-08-08  7:33                       ` convert-standard-filename Michael Albinus
2011-08-02  8:11   ` [Emacs-diffs] /srv/bzr/emacs/trunk r105295: * lisp/progmodes/etags.el (etags-file-of-tag, etags-tags-table-files) Francesco Potortì
2011-08-02 15:33     ` Sam Steingold
2011-08-02 18:55       ` Stefan Monnier

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