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Re: autoload variables

X-seq: zsh-users 27030
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Roman Perepelitsa <roman.perepelitsa@xxxxxxxxx>
Cc: Anthony Fletcher <anthony@xxxxxxxx>, Zsh Users <zsh-users@xxxxxxx>
Subject: Re: autoload variables
Date: Tue, 31 Aug 2021 12:16:35 -0700
Archived-at: <https://zsh.org/users/27030>
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On Tue, Aug 31, 2021 at 11:12 AM Roman Perepelitsa
<roman.perepelitsa@xxxxxxxxx> wrote:
>
> That export and conditional assignment don't do anything because they
> are within a subshell. Anything you export there gets wiped out

So an alternative would be

upif () { export UPIF=${UPIF:=$(ip r | ....) }}
upif && tcpdump -i $UPIF .......

References:
- autoload variables
  - From: Anthony Fletcher
- Re: autoload variables
  - From: René Neumann
- Re: autoload variables
  - From: Anthony Fletcher
- Re: autoload variables
  - From: René Neumann
- Re: autoload variables
  - From: Bart Schaefer
- Re: autoload variables
  - From: Anthony Fletcher
- Re: autoload variables
  - From: Roman Perepelitsa

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