From: Peter Stephenson <pws@csr.com>
To: zsh-users@sunsite.dk
Subject: Re: [[ -f file* ]]
Date: Mon, 18 May 2009 10:55:39 +0100 [thread overview]
Message-ID: <20090518105539.33d058e2@news01> (raw)
In-Reply-To: <17393e3e0905180236v424b14d5ua9d364501662c75a@mail.gmail.com>
On Mon, 18 May 2009 05:36:18 -0400
Matt Wozniski <godlygeek@gmail.com> wrote:
> On Mon, May 18, 2009 at 5:14 AM, Atom Smasher wrote:
> > if i want to test for the presence of one or more files matching a certain
> > pattern, it seems non-trivial to do it with the normal "test" or conditional
> > expressions.
> ...
> > is there a better way?
>
> Well, off the top of my head, I can think of
>
> [ -n "$(print -- test*(N))" ]
>
> but even that seems inelegant; I'm sure someone can chime in with
> something better.
has_matches() {
(( $# > 0 ))
}
if has_matches test*(N); then
# some matches
else
# no matches
fi
You need to remember the (N). There are ways around that.
--
Peter Stephenson <pws@csr.com> Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK Tel: +44 (0)1223 692070
next prev parent reply other threads:[~2009-05-18 9:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-18 9:14 Atom Smasher
2009-05-18 9:36 ` Matt Wozniski
2009-05-18 9:55 ` Peter Stephenson [this message]
2009-05-18 11:35 ` Atom Smasher
2009-05-18 11:40 ` Frank Terbeck
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