From: Philippe Troin <phil@fifi.org>
To: zsh-users@zsh.org
Subject: Re: Example of use of (S) flag
Date: Mon, 28 Dec 2015 10:23:07 -0800 [thread overview]
Message-ID: <1451326987.5990.3.camel@ceramic.home.fifi.org> (raw)
In-Reply-To: <151223210157.ZM447@torch.brasslantern.com>
On Wed, 2015-12-23 at 21:01 -0800, Bart Schaefer wrote:
> Further note that (MS) is sort of a dumbed-down form of backreferences,
> returning something similar to the value of $MATCH in an extendeglob
> pattern that uses (#m) (except extendedglob is not needed). E.g.:
8< snip >8
> torch% echo ${(S)a/b*/x}
> axcba
> torch% echo ${(S)a//b*/x}
> axcxa
I don't understand why in these two examples the star doesn't match the
rest of the string? I'd expect:
% echo $a
abcba
% echo ${(S)a/b*/x}
ax
% echo ${(S)a//b*/x}
ax
Since b* should match the entire bcba substring.
What did I miss?
Phil.
next prev parent reply other threads:[~2015-12-28 18:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CAKc7PVBLdXYQ_NNU9q=v9TcfiZjsYKfDt2h=ZBdfGCt6t81cuQ__14537.6145992943$1450895198$gmane$org@mail.gmail.com>
2015-12-23 23:25 ` Stephane Chazelas
2015-12-24 5:01 ` Bart Schaefer
2015-12-24 7:53 ` Sebastian Gniazdowski
2015-12-28 18:23 ` Philippe Troin [this message]
2015-12-28 19:13 ` Mikael Magnusson
2015-12-23 18:25 Sebastian Gniazdowski
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