Re: Defining variables in the caller's environment (was: ERR_RETURN ignored in 'if' in a source'd file [FIXED])

Bart Schaefer <[email protected]> Tue, 20 May 2025 09:12:46 -0700

Newsgroups	gmane.comp.shells.zsh.user
Message-ID	<CAH+w=7YBvTnka1vXqYiPOLopSCQxtC+9N_Rjej9UhkJcpfZSQQ@mail.gmail.com>

On Tue, May 20, 2025 at 3:52 AM Roman Perepelitsa
<[email protected]> wrote:
>
> In Zsh 5.10 and above, $( ... ) can be replaced with ${ ... } to avoid forking.
>
>     function define-vars() {
>       local -A var1=("$1" "$2")
>       local -i var2=42
>       typeset -p -- var1 var2
>     }

Also
  eval ${ define-vars 'x' 'y $ z' }

Which is an idiom in use for many years, e.g.
  eval $(ssh-agent)