From: "Juanma Barranquero" <lekktu@gmail.com>
To: Joff <jack.joff@gmail.com>
Cc: help-gnu-emacs@gnu.org
Subject: Re: changing a variable with a keystroke
Date: Wed, 14 Jan 2009 13:14:20 +0100 [thread overview]
Message-ID: <f7ccd24b0901140414s2347dcd0rd076a7d6955b0eb2@mail.gmail.com> (raw)
In-Reply-To: <50abee650901140332u1cd4727atd7324d1fedf5a9ac@mail.gmail.com>
On Wed, Jan 14, 2009 at 12:32, Joff <jack.joff@gmail.com> wrote:
> (defun set_recursive_dired () "Set dired mode to recursive view"
> (interactive "p")
> (setq dired-listing-switches "-lR"))
>
> (global-set-key (kbd "C-l") nil)
> (global-set-key (kbd "C-l C-r") 'set_recursive_dired)
>
> because I thought setq might not be a command (?)
`setq' is an elisp function (more properly, a "special form"; see the
Emacs Lisp Intro), but it is not an interactive command. Functions
bound to keys must be interactive commands.
> which got me:
>
> call-interactively: Wrong number of arguments: (lambda nil "Set dired mode
> to recursive view" (interactive "p") (setq dired-listing-switches "-lR")), 1
You are using (interactive "p"), which says that the function has an
argument, but it has none. If you use just (interactive) it will work.
See the documentation for function `interactive'.
However, it's a bit weird that you need a keybinding just to set
switches for dired. Doesn't it work if you just add
(setq dired-listing-switches "-lR")
to your .emacs file? Unless you don't always want these switches, of course.
Juanma
next prev parent reply other threads:[~2009-01-14 12:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-14 11:32 changing a variable with a keystroke Joff
2009-01-14 12:14 ` Juanma Barranquero [this message]
[not found] <mailman.4829.1231934186.26697.help-gnu-emacs@gnu.org>
2009-01-14 22:05 ` Xah Lee
2009-01-15 8:48 ` Joff
2009-01-15 18:51 ` Tassilo Horn
[not found] ` <mailman.4960.1232045493.26697.help-gnu-emacs@gnu.org>
2009-01-16 11:19 ` Muurimäki Perttu
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