From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-users@zsh.org
Subject: Re: Match to the end of string when using (S) flag
Date: Wed, 02 Nov 2016 09:46:42 +0000 [thread overview]
Message-ID: <20161102094642.36a548f5@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <161101142301.ZM25643@torch.brasslantern.com>
On Tue, 1 Nov 2016 14:23:01 -0700
Bart Schaefer <schaefer@brasslantern.com> wrote:
> With the leading "*" the algorithm has to check after each character
> whether the following characters match the sub-pattern in the parens,
> so it's checking every position multiple times.
Basically, the only optimised case in the matching code within the
shell is looking for a single must-match string, which doesn't apply
here.
Unless someone chooses to dedicate their lives to this --- and it is at
least a fairly well delimited part of the code --- that'll be the way it
stays.
pws
next prev parent reply other threads:[~2016-11-02 9:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-01 14:25 Sebastian Gniazdowski
2016-11-01 16:27 ` Sebastian Gniazdowski
2016-11-01 18:29 ` Sebastian Gniazdowski
2016-11-01 21:23 ` Bart Schaefer
2016-11-02 6:53 ` Sebastian Gniazdowski
2016-11-02 15:50 ` Bart Schaefer
2016-11-02 9:46 ` Peter Stephenson [this message]
2018-11-07 12:30 ` Sebastian Gniazdowski
2018-11-07 15:25 ` Bart Schaefer
2018-11-07 17:16 ` Sebastian Gniazdowski
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
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20161102094642.36a548f5@pwslap01u.europe.root.pri \
--to=p.stephenson@samsung.com \
--cc=zsh-users@zsh.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.
Code repositories for project(s) associated with this public inbox
https://git.vuxu.org/mirror/zsh/
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 NNTP newsgroup(s).