From: Carlos Llamas <cmllamas@google.com>
To: Jialu Xu <xujialu@vimux.org>
Cc: gregkh@linuxfoundation.org, cristian.ciocaltea@collabora.com,
masahiroy@kernel.org, vipinsh@google.com, stable@vger.kernel.org
Subject: Re: [PATCH v2] scripts/tags.sh: fix incompatibility with PCRE2
Date: Tue, 7 Mar 2023 15:43:03 +0000 [thread overview]
Message-ID: <ZAdbhyW+tv0krirG@google.com> (raw)
In-Reply-To: <20230303112051.3890371-1-xujialu@vimux.org>
On Fri, Mar 03, 2023 at 07:20:51PM +0800, Jialu Xu wrote:
>
> Just got a working grep without \K, seems that it is three times more
> efficient than sed in my test, is it necessary to update?
>
> grep -Poh '(?<=^ )\S+|(?<== )\S+[^\\](?=$)' {} \+ |
>
> --
> Jialu
>
I just tried this and it does have better performance. Even better than
your previous grep expression it seems, so I would definitely send a
patch.
--
Carlos Llamas
prev parent reply other threads:[~2023-03-07 15:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Y+0WJuh1fIg0oEpR@google.com>
2023-02-15 18:38 ` [PATCH v2] scripts/tags.sh: fix incompatibility with PCRE2 Carlos Llamas
2023-03-03 11:20 ` Jialu Xu
2023-03-07 15:43 ` Carlos Llamas [this message]
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