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From: aitor <a.soroa@gmail.com>
To: Gregory Heytings <gregory@heytings.org>
Cc: 59919@debbugs.gnu.org
Subject: bug#59919: 28.1.50; "kill-matching-lines" takes forever
Date: Fri, 9 Dec 2022 16:18:05 +0100	[thread overview]
Message-ID: <Y5NRrU0w4jCelLao@sipc87.si.ehu.es> (raw)
In-Reply-To: <574c1ceba8a3945384ac@heytings.org>

On Fri, Dec 09, 2022 at 09:23:38AM +0000, Gregory Heytings wrote:
>
> Are you sure you actually want to _kill_ ("cut" in modern parlance) those
> lines?  In the file you attach, all 10000 lines match "ssh", so it means
> that Emacs "cuts" each of those lines one by one, which of course takes
> (quite) some time.  If you use a regexp that does not match all lines, say
> "109.106.244.80", the effect is almost instantaneous.
> 
> Note that there is also a command "flush-lines", is that not the one you
> actually need here?

You are right, I actually needed the flush-lines command instead of
kill-matching-lines (which is almost instantaneous).

Sorry for the noise, you can close the report.





  reply	other threads:[~2022-12-09 15:18 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-12-09  8:48 bug#59919: 28.1.50; "kill-matching-lines" takes forever a.soroa
2022-12-09  9:23 ` Gregory Heytings
2022-12-09 15:18   ` aitor [this message]
2022-12-09 15:23     ` Gregory Heytings

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