From: Nick Dokos <ndokos@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: Regex to match lines with a specific number of words
Date: Tue, 26 Apr 2022 19:55:51 -0400 [thread overview]
Message-ID: <87tuafl7qw.fsf@alphaville.usersys.redhat.com> (raw)
In-Reply-To: 87czh7ttzt.fsf@fastmail.fm
Joost Kremers <joostkremers@fastmail.fm> writes:
> I've been trying to come up with a regex that will match any line containing at
> least 30 words in order to kill them from the buffer (preferably with
> `kill-matching-lines`, because I need to move the lines to another buffer.)
>
> ...
>
> Passing this to `flush-lines` simply deletes everything in the buffer starting
> at point, telling me it "[d]eleted 1 matching line", even though (many) more
> lines were deleted. Adding ^ and $ around the regex didn't have any effect.
>
Do you have to do it in emacs? Why not use `awk'? It could be as simple as
awk 'NF < 30 {print;}'
and saving the other lines to a different file is not much more difficult:
awk 'NF < 5 {print;}
NF >= 5 { print > "long-stuff.txt"}'
--
Nick
"There are only two hard problems in computer science: cache invalidation, naming things, and off-by-one errors." -Martin Fowler
next prev parent reply other threads:[~2022-04-26 23:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-23 19:44 Regex to match lines with a specific number of words Joost Kremers
2022-04-23 20:58 ` Thibaut Verron
2022-04-23 21:20 ` Joost Kremers
2022-04-23 21:46 ` Thibaut Verron
2022-04-23 22:11 ` [External] : " Drew Adams
2022-04-23 22:32 ` Thibaut Verron
2022-04-23 22:21 ` Joost Kremers
2022-04-23 22:46 ` Stefan Monnier via Users list for the GNU Emacs text editor
2022-04-24 14:31 ` Joost Kremers
2022-04-26 23:55 ` Nick Dokos [this message]
2022-04-27 7:23 ` Jean Louis
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87tuafl7qw.fsf@alphaville.usersys.redhat.com \
--to=ndokos@gmail.com \
--cc=help-gnu-emacs@gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).