From: Bart Schaefer <schaefer@brasslantern.com>
To: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
Subject: Re: Is it possible to clear empty :-tied elements?
Date: Tue, 19 Jul 2022 17:18:16 -0700 [thread overview]
Message-ID: <CAH+w=7Y0=VyPygPw0mRCL1e8FV7r-v+Gm51E0PAwWjWPr1tEbw@mail.gmail.com> (raw)
In-Reply-To: <CAKc7PVAbCrSRNZtQ_b3ZX3iBOe9tjNdFX8bV1BMKSb7Wxj=mZQ@mail.gmail.com>
On Tue, Jul 19, 2022 at 12:55 PM Sebastian Gniazdowski
<sgniazdowski@gmail.com> wrote:
>
> export -UT CMAKE_PREFIX_PATH="$ZPFX:$CMAKE_PREFIX_PATH" cmake_prefix_path
>
> The problem is that the variable/array will contain empty element if the variable is empty when export is run.
Perhaps this is most easily done with
export -UT CMAKE_PREFIX_PATH="${ZPFX:+$ZPFX:}$CMAKE_PREFIX_PATH"
cmake_prefix_path
??
next prev parent reply other threads:[~2022-07-20 0:19 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 [this message]
2022-07-20 5:40 ` Sebastian Gniazdowski
2022-07-20 14:58 ` Bart Schaefer
2022-07-20 19:32 ` Phil Pennock
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