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From: Kevin Rodgers <ihs_4664@yahoo.com>
Subject: Re: newbie : elisp - prompt for input
Date: Mon, 28 Aug 2006 15:07:49 -0600	[thread overview]
Message-ID: <ecvm09$n72$1@sea.gmane.org> (raw)
In-Reply-To: <87irkc4ql6.fsf@mail.com>

Hadron Quark wrote:
> Is the snippet below the best way to prompt and parse an integer value?
> 
> 
> (defun count-words(max)
>   "count words in buffer"
>   (interactive "nMax words to count to:")
>   (while (zerop max)
>     (setq max (string-to-number(read-string "> 0 please. re-enter:"))))

The only thing I see wrong with it is that the check runs outside
of the interactive form, and prompts the user (regardless of whether
the function was called interactively).

-- 
Kevin

  reply	other threads:[~2006-08-28 21:07 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-28 19:17 newbie : elisp - prompt for input Hadron Quark
2006-08-28 21:07 ` Kevin Rodgers [this message]
     [not found] ` <mailman.5849.1156799345.9609.help-gnu-emacs@gnu.org>
2006-08-28 21:15   ` Hadron Quark
2006-08-29 19:51     ` Kevin Rodgers
2006-08-28 21:24   ` David Kastrup
2006-08-29 19:53     ` Kevin Rodgers

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