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From: Juri Linkov <juri@jurta.org>
To: martin rudalics <rudalics@gmx.at>
Cc: Leo <sdl.web@gmail.com>, 13152@debbugs.gnu.org
Subject: bug#13152: 24.2.90; [REGRESSION] dired-get-marked-files changed
Date: Sat, 15 Dec 2012 12:59:00 +0200	[thread overview]
Message-ID: <87a9tf1szv.fsf@mail.jurta.org> (raw)
In-Reply-To: <50CAFEBC.6000208@gmx.at> (martin rudalics's message of "Fri, 14 Dec 2012 11:26:04 +0100")

> But FUNCTION "should not manipulate files, just read input
> \(an argument or confirmation)." so I don't see why this matters.

I agree it shouldn't matter in which buffer FUNCTION is called.
The problem is caused by the flawed design of dired-x where
`dired-guess-default' doesn't propagate the value of `files'
to the evaluated expressions in `dired-guess-shell-alist-default'.
Also note how `dired-guess-shell-alist-default' is forced to use the
dynamically bound variable `file'.

The proper fix would be to redesign `dired-guess-shell-alist-default'
to funcall lambdas with one arg `files' instead of using `eval'.

So instead of

  (setq dired-guess-shell-alist-user
        '(("." (let ((files (dired-get-marked-files t current-prefix-arg)))
                 (let (dired-guess-shell-alist-user)
                   (dired-guess-default files))))))

Leo would be able to use

  (setq dired-guess-shell-alist-user
        '(("." (lambda (files)
                 (let (dired-guess-shell-alist-user)
                   (dired-guess-default files))))))

This could help to move useful features from dired-x.el to dired-aux.el.





  reply	other threads:[~2012-12-15 10:59 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-12  2:23 bug#13152: 24.2.90; [REGRESSION] dired-get-marked-files changed Leo
2012-12-12  2:47 ` Glenn Morris
2012-12-12  5:30   ` Leo
2012-12-12  8:13     ` Glenn Morris
2012-12-12  9:29 ` Juri Linkov
2012-12-12 11:32   ` Leo
2012-12-12 23:11     ` Juri Linkov
2012-12-13  1:20       ` Leo
2012-12-14  0:46         ` Juri Linkov
2012-12-14  3:05           ` Leo
2012-12-14 10:26             ` martin rudalics
2012-12-14 10:43               ` Leo
2012-12-14 10:58                 ` martin rudalics
2012-12-14 10:26           ` martin rudalics
2012-12-15 10:59             ` Juri Linkov [this message]
2013-01-04  3:49               ` Leo Liu
2013-01-04  3:46             ` Leo Liu
2013-01-04  7:08               ` martin rudalics
2013-01-07  2:38                 ` Leo Liu
2013-01-07  7:43                   ` martin rudalics
2013-01-08 11:02                   ` Leo Liu
2013-01-08 22:27                     ` Glenn Morris
2013-01-08 22:35                       ` Glenn Morris
2013-01-09  1:15                         ` Leo Liu
2013-01-09 11:07                         ` Leo Liu
2013-01-10  0:50                           ` Juri Linkov
2013-01-10  1:04                             ` Leo Liu
2013-01-18 18:40                           ` Leo Liu
2013-01-09  1:19                       ` Leo Liu

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