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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: Is it possible to clear empty :-tied elements?
Date: Wed, 20 Jul 2022 07:40:45 +0200	[thread overview]
Message-ID: <CAKc7PVA7e7bvsmZgEfUOAjZY=QJKitS8anKbYkYAMougmS0CXg@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7Y0=VyPygPw0mRCL1e8FV7r-v+Gm51E0PAwWjWPr1tEbw@mail.gmail.com>

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On Wed, 20 Jul 2022 at 02:18, Bart Schaefer <schaefer@brasslantern.com>
wrote:

>
> Perhaps this is most easily done with
>
> export -UT CMAKE_PREFIX_PATH="${ZPFX:+$ZPFX:}$CMAKE_PREFIX_PATH"
> cmake_prefix_path
>

I was hoping for some miracle but yes, that's apparently the best method,
with a drawback– it's the longer variable that has to be wrapped in ${…:+},
making the line quite long/dense…


-- 
Best regards,
Sebastian Gniazdowski

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  reply	other threads:[~2022-07-20  5:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-07-19 19:54 Sebastian Gniazdowski
2022-07-20  0:18 ` Bart Schaefer
2022-07-20  5:40   ` Sebastian Gniazdowski [this message]
2022-07-20 14:58     ` Bart Schaefer
2022-07-20 19:32 ` Phil Pennock

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