From: Kevin Rodgers <ihs_4664@yahoo.com>
Subject: Re: Elisp newbie trying a derived mode (clarifying intent)
Date: Fri, 29 Sep 2006 10:48:11 -0600 [thread overview]
Message-ID: <efjipm$8n7$1@sea.gmane.org> (raw)
In-Reply-To: <uslibghxz.fsf@gmail.com>
Mathias Dahl wrote:
> "davex" <dmagill@attglobal.net> writes:
>
>> let me clarify the above--I'd like to make this simple to use
>> regularly, hence have a single keystroke call
>> dired-do-shell-command, with the correct shell command (to write out
>> the filename) hard-coded-- i suppose i could do this as a keyboard
>> macro, but if I can do a derived mode in a clean concise way, I
>> could apply this skill elsewhere. Am I on the right track? Is a
>> derived mode a common useful solution?
>
> To me it seems overkill to create a new mode for this. Just create
> your new defuns and bind a free key to one of them. You can add a hook
> to dired mode that binds this key each time dired starts.
Definitely.
> I have this in my .emacs:
>
> ;; if dired's already loaded, then the keymap will be bound
> (if (boundp 'dired-mode-map)
> ;; we're good to go; just add our bindings
> (my-dired-init)
> ;; it's not loaded yet, so add our bindings to the load-hook
> (add-hook 'dired-load-hook 'my-dired-init))
Why not just unconditionally (add-hook 'dired-mode-hook 'my-dired-init)?
> `my-dired-init' does a lot of extra stuff I want in dired, like these
> bindings, for example:
>
> ...
> (define-key mode-specific-map "xp" 'dired-w32-open-files)
> (define-key dired-mode-map [return] 'joc-dired-single-buffer)
> ...
I generally prefer (local-set-key KEY COMMAND) to
(define-key 'some-mode-map KEY COMMAND)
For davex's situation, I think the command he wants would be
something like:
(defun davex-dired-do-shell-command (&optional next-files)
"Run the \"davex.exe\" command on the marked files.
If no files are marked or a specific numeric prefix arg is given,
the next ARG files are used. Just \\[universal-argument] means \
the current file."
(interactive "P")
(dired-do-shell-command "davex.exe" ; or "davex.exe *"
next-files ; prefix arg
(dired-get-marked-files t next-files)))
--
Kevin
next prev parent reply other threads:[~2006-09-29 16:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-28 19:02 Elisp newbie trying a derived mode davex
2006-09-28 20:35 ` Kevin Rodgers
[not found] ` <mailman.7564.1159475819.9609.help-gnu-emacs@gnu.org>
2006-09-29 1:49 ` Elisp newbie trying a derived mode (clarifying intent) davex
2006-09-29 9:06 ` Mathias Dahl
2006-09-29 16:48 ` Kevin Rodgers [this message]
[not found] ` <mailman.7597.1159548604.9609.help-gnu-emacs@gnu.org>
2006-10-03 7:46 ` Mathias Dahl
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