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From: Peter Stephenson <p.stephenson@samsung.com>
To: <zsh-workers@zsh.org>
Subject: Re: PATCH: Update the description of S flag in the completion
Date: Tue, 3 Dec 2019 09:42:56 +0000
Message-ID: <1575366176.5200.3.camel@samsung.com> (raw)
In-Reply-To: <CAKc7PVBW8sdv5TT1TQ4fDJD1LbXE4EUCgMwLyaySGso06igFTw@mail.gmail.com>

On Tue, 2019-12-03 at 06:16 +0100, Sebastian Gniazdowski wrote:
> On Mon, 2 Dec 2019 at 01:46, Sebastian Gniazdowski
> <sgniazdowski@gmail.com> wrote:
> > 
> > 
> > On that occasion, isn't this a bug?:
> > 
> > ❯ str="ab##c#d"; print ${(S)str##\#}
> > ab#c#d
> > ❯ str="ab##c#d"; print ${(S)str##\##}
> > ab##c#d
> > 
> > Why no match at all in the second case?
> Any update on this? It would be good that the rarely-used flags are reliable.
> 

You've got an expression which can match an empty string which you're
also telling to match a substring so it can match an empty string
anywhere.  The order in which it tries to match will be crucial so this
is not a useful thing to attempt.  What are you actually trying to do?

pws


  reply index

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-02  0:31 Sebastian Gniazdowski
2019-12-02  0:46 ` Sebastian Gniazdowski
2019-12-03  5:16   ` Sebastian Gniazdowski
2019-12-03  9:42     ` Peter Stephenson [this message]
2019-12-03 14:45       ` Sebastian Gniazdowski
2019-12-03 10:39   ` Oliver Kiddle

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