* Get a list with edit-and-eval-command
[not found] <9601423a-874e-4e7e-a2d7-a90c5ea80503@zimbra62-e11.priv.proxad.net>
@ 2012-02-12 16:25 ` david.chappaz
2012-02-14 4:08 ` Kevin Rodgers
0 siblings, 1 reply; 2+ messages in thread
From: david.chappaz @ 2012-02-12 16:25 UTC (permalink / raw
To: help-gnu-emacs
Hi all,
I'm trying to get an elisp object (more specifically a list) from the minibuffer, using the function edit-and-eval-command, as documented in
http://www.gnu.org/software/emacs/manual/html_mono/elisp.html#Object-from-Minibuffer
For example say I first evaluate:
(setq wildcard '("*.c" "*.h" "*.v"))
Next I am trying to do something like:
(setq newwildcard (edit-and-eval-command "Enter an expression: " (format "%s" wildcard))
but it does not achieves what I really want, which is to provide as initial argument a valid lisp list [e.g. '("*.c" "*.h" "*.v")] so no error is generated if the user simply hits [Enter]. The above generates double quotes and misses the single quote, which causes the problem.
Can anyone give me some insight to do this properly ?
Many thanks,
David.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Get a list with edit-and-eval-command
2012-02-12 16:25 ` Get a list with edit-and-eval-command david.chappaz
@ 2012-02-14 4:08 ` Kevin Rodgers
0 siblings, 0 replies; 2+ messages in thread
From: Kevin Rodgers @ 2012-02-14 4:08 UTC (permalink / raw
To: help-gnu-emacs
On 2/12/12 9:25 AM, david.chappaz@free.fr wrote:
> Hi all,
>
> I'm trying to get an elisp object (more specifically a list) from the minibuffer, using the function edit-and-eval-command, as documented in
> http://www.gnu.org/software/emacs/manual/html_mono/elisp.html#Object-from-Minibuffer
>
> For example say I first evaluate:
> (setq wildcard '("*.c" "*.h" "*.v"))
>
> Next I am trying to do something like:
> (setq newwildcard (edit-and-eval-command "Enter an expression: " (format "%s" wildcard))
>
> but it does not achieves what I really want, which is to provide as initial argument a valid lisp list [e.g. '("*.c" "*.h" "*.v")] so no error is generated if the user simply hits [Enter]. The above generates double quotes and misses the single quote, which causes the problem.
>
> Can anyone give me some insight to do this properly ?
Do not pass a string as the COMMAND argument to edit-and-eval-command.
(edit-and-eval-command "Edit and eval: " '(quote ("*.c" "*.h" "*.v")))
or equivalently
(edit-and-eval-command "Edit and eval: " (quote '("*.c" "*.h" "*.v")))
--
Kevin Rodgers
Denver, Colorado, USA
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2012-02-12 16:25 ` Get a list with edit-and-eval-command david.chappaz
2012-02-14 4:08 ` Kevin Rodgers
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