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Re: reading a variable from the user


From: Tassilo Horn
Subject: Re: reading a variable from the user
Date: Wed, 10 Oct 2012 11:16:06 +0200
User-agent: Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.2.50 (gnu/linux)

Francesco Mazzoli <address@hidden> writes:

> At Wed, 10 Oct 2012 00:24:35 -0700 (PDT),
> drain wrote:
>> Is there a function that prompts the user in the mini-buffer, matches the
>> string input with a local variable name, and then returns the variable? 
>
> You can use something like
>
>     (defun foo (var)
>       (interactive "v")
>       (message "%S" (symbol-value var)))
>
> See the help page for `interactive' for more info.

Or simply do `C-h v <variable-name> RET' which shows the documentation
and the current value of that variable.

Bye,
Tassilo




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