From: Peter Stephenson <p.stephenson@samsung.com>
To: zsh-users@zsh.org
Subject: Re: How to substitute empty array element, or empty string
Date: Fri, 24 Mar 2017 11:49:03 +0000 [thread overview]
Message-ID: <20170324114903.5bce97c1@pwslap01u.europe.root.pri> (raw)
In-Reply-To: <etPan.58d5027c.6b8b4567.166db@MacMini.local>
On Fri, 24 Mar 2017 12:26:52 +0100
Sebastian Gniazdowski <psprint@zdharma.org> wrote:
> On 23.03.2017 at 03:04:40, Peter Stephenson (p.stephenson@samsung.com) wrote:
> > This might be one of those "bug" things you sometimes read about for other
> > projects…
> (…)
> > + print -rl -- "${(@)a//*/x}"
>
> I'm little thrilled that this goes away from how // "typically"
> works. In bash // also doesn't match empty element. Maybe it's a Posix
> thing?
Hard to see:
[[ '' = * ]] && echo yes
echoes "yes" in bash as well as zsh, so "*" can match an empty string,
and I don't think the / and // operators are standardised.
pws
next prev parent reply other threads:[~2017-03-24 11:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20170322075332epcas3p4a32050e48ad0f94be13134b560f17715@epcas3p4.samsung.com>
2017-03-22 7:52 ` Sebastian Gniazdowski
2017-03-22 9:52 ` Peter Stephenson
2017-03-24 11:26 ` Sebastian Gniazdowski
2017-03-24 11:49 ` Peter Stephenson [this message]
2017-03-25 6:21 ` Sebastian Gniazdowski
2017-03-25 18:59 ` Chet Ramey
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