From: PJ Weisberg <pj@irregularexpressions.net>
To: help-gnu-emacs <help-gnu-emacs@gnu.org>
Subject: Re: window local var?
Date: Tue, 7 Sep 2010 09:12:35 -0700 [thread overview]
Message-ID: <AANLkTik9=XHCLRn5035Ttf1YY1osKfYr4_CsUGcv0VoM@mail.gmail.com> (raw)
In-Reply-To: <AANLkTim4qaHTGYXGWOsOVAdBCLBySCWsCki5xJ6H3_-d@mail.gmail.com>
On Mon, Sep 6, 2010 at 5:34 PM, PJ Weisberg <pj@irregularexpressions.net> wrote:
> (let ((env (frame-parameter (selected-frame) 'environment))
> (current nil)
> (dir nil))
> (while (and (not dir) t)
> (setq current (pop env))
> (if (string-equal "PWD=" (subseq current 0 4))
> (setq dir (subseq current 4))))
> dir)
Um, that "t" in the conditional was supposed to be "env". I wanted to
see what error I would get if I let it fall off the end of the list
without finding anything, and I forgot to put the check back in before
I pasted it into the mail. :-/
prev parent reply other threads:[~2010-09-07 16:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-06 11:39 window local var? Marc Weber
2010-09-06 18:43 ` Andrea Crotti
2010-09-06 19:00 ` Marc Weber
2010-09-07 0:34 ` PJ Weisberg
2010-09-07 16:12 ` PJ Weisberg [this message]
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