GNU bug report logs - #6362
Emacs command `dired-isearch-filenames-regexp' cause CPU usage 100%

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Juri Linkov <juri <at> jurta.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#6362: closed (Emacs command `dired-isearch-filenames-regexp'
 cause CPU usage 100%)
Date: Fri, 09 Sep 2011 15:55:02 +0000

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Your message dated Fri, 09 Sep 2011 18:49:19 +0300
with message-id <8739g54sxs.fsf <at> mail.jurta.org>
and subject line Re: bug#6362: Emacs command `dired-isearch-filenames-regexp' cause CPU usage 100%
has caused the GNU bug report #6362,
regarding Emacs command `dired-isearch-filenames-regexp' cause CPU usage 100%
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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From: Li Zhai <mrzhaili <at> gmail.com>
To: "bug.gnu.submit" <submit <at> debbugs.gnu.org>
Subject: Emacs command `dired-isearch-filenames-regexp' cause CPU usage 100%
Date: Sun, 6 Jun 2010 11:36:00 +0800

Package: Emacs
Version: 23.2.1

I use the command `dired-isearch-filenames-regexp' to find some files
in a directory. I use the the anchor `^' to match the files start with
something. Emacs is suspended and the CPU usage is 100%.Here is a
transcript:

1. Open a directory in dired mode.
2. Input `M-x dired-isearch-filenames-regexp RET  ^ f RET'

Emacs will suspend rather than match the file names start with `f'.

I'm using Windows XP, Emacs version 23.2.

Bye,

Li Zhai

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From: Juri Linkov <juri <at> jurta.org>
To: 6362-done <at> debbugs.gnu.org
Subject: Re: bug#6362: Emacs command `dired-isearch-filenames-regexp' cause
	CPU usage 100%
Date: Fri, 09 Sep 2011 18:49:19 +0300

> BTW, there is another bug in query-replace lazy-highlighting in dired.
> Wdired sets `query-replace-skip-read-only' to replace only in
> file names, but during replacement all read-only matches are
> lazy-highlighted too.  This can be fixed with this patch:
> [...]
> +(defun wdired-isearch-filter-read-only (beg end)
> +  "Skip matches that have a read-only property."
> +  (and (isearch-filter-visible beg end)
> +       (not (text-property-not-all (min beg end) (max beg end)
> +				   'read-only nil))))

I installed this old patch and closed this bug.

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