From: Yuri Khan <yuri.v.khan@gmail.com>
To: Hongyi Zhao <hongyi.zhao@gmail.com>
Cc: help-gnu-emacs <help-gnu-emacs@gnu.org>,
Stephen Berman <stephen.berman@gmx.net>
Subject: Re: let*: Wrong type argument: stringp, nil
Date: Tue, 28 Sep 2021 15:02:11 +0700 [thread overview]
Message-ID: <CAP_d_8Xmz_WgxPsgwd=VgY1J9TB+eL8joydA46sXb6hM7Hf9Kw@mail.gmail.com> (raw)
In-Reply-To: <CAGP6POLQB1q-++zGwDB7g8vYgwWMdFmKcHWbLE_9HTX7Ao=aKw@mail.gmail.com>
On Tue, 28 Sept 2021 at 10:08, Hongyi Zhao <hongyi.zhao@gmail.com> wrote:
> Now I'm trying another test code snippet based on the idea posted here [1]:
>
> (while (not (file-exists-p ".python-version"))
> (cd "..")
> ))
>
> But when I test the above code in scratch buffer, it seems to be stuck
> in an endless loop and running there all the time. Any hints for this
> problem?
You’re not handling the case here that you reached the root directory
without finding a .python-version file.
You will really get better results if you use locate-dominating-file.
If you’re trying to learn, learn by reading that function. As a bonus,
it does not mess with the buffer’s default directory.
next prev parent reply other threads:[~2021-09-28 8:02 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-24 14:52 let*: Wrong type argument: stringp, nil Hongyi Zhao
2021-09-24 14:57 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-25 1:29 ` Hongyi Zhao
2021-09-25 23:42 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-25 10:09 ` Stephen Berman
2021-09-25 10:45 ` Hongyi Zhao
2021-09-25 11:04 ` Stephen Berman
2021-09-25 13:49 ` Hongyi Zhao
2021-09-25 14:45 ` Stephen Berman
2021-09-25 15:03 ` Hongyi Zhao
2021-09-28 3:08 ` Hongyi Zhao
2021-09-28 3:21 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 3:24 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 5:25 ` Hongyi Zhao
2021-09-28 7:20 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-28 8:02 ` Yuri Khan [this message]
2021-09-28 8:24 ` Hongyi Zhao
2021-09-29 1:43 ` Hongyi Zhao
2021-09-29 2:03 ` Hongyi Zhao
2021-09-29 3:02 ` Hongyi Zhao
2021-09-29 3:57 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29 6:15 ` Hongyi Zhao
2021-09-29 6:29 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29 7:37 ` Hongyi Zhao
2021-09-29 8:21 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29 9:02 ` Hongyi Zhao
2021-09-29 9:14 ` Yuri Khan
2021-09-29 10:29 ` Hongyi Zhao
2021-09-29 12:29 ` Yuri Khan
2021-09-29 12:49 ` Hongyi Zhao
2021-10-08 3:36 ` Hongyi Zhao
2021-10-10 14:05 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-30 3:38 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29 4:35 ` Emanuel Berg via Users list for the GNU Emacs text editor
2021-09-29 6:17 ` Hongyi Zhao
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