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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <160929085128.ZM29548@torch.brasslantern.com>
Date: Thu, 29 Sep 2016 08:51:28 -0700
In-Reply-To: <CAHYJk3QepQXjaVwGnHy2uRQGQqfdnpbwPDDifrw7fOXXU8K_Uw@mail.gmail.com>
Comments: In reply to Mikael Magnusson <mikachu@gmail.com>
        "Re: Filtering an array of file names" (Sep 29,  9:54am)
References: <CABZhJg9vf0OZyXbSOcX_7sA7aN=cHtDQq08sLKy_0Vs6xkUR1g@mail.gmail.com> 
	<160929001853.ZM27784@torch.brasslantern.com> 
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To: Zsh Users <zsh-users@zsh.org>
Subject: Re: Filtering an array of file names
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On Sep 29,  9:54am, Mikael Magnusson wrote:
}
} This should be
}   directories=( ${^allfiles}(/N) )
} unless you have nullglob set

Thanks, and to Daniel also, for pointing out this nuance for the general
case, but in the OP's specific example $allfiles contains only names of
known existing files, so globbing is not expected to fail and (N) would
not be necessary.