Re: no-fork expansion with array var

[Mikael Magnusson <mikachu@xxxxxxxxx>]

On 9/23/23, Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:
> On Fri, Sep 22, 2023 at 4:16 PM Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
> wrote:
>>
>> On Fri, Sep 22, 2023, 4:00 PM Mikael Magnusson <mikachu@xxxxxxxxx> wrote:
>>>
>>> The documentation says:
>>>   If param names an array, array expansion rules apply.
>>>
>>> But what it means is if you do an array assignment to var inside the
>>> code block, array expansion rules apply
>
> How about this?
>
> diff --git a/Doc/Zsh/expn.yo b/Doc/Zsh/expn.yo
> index 86a5f70c8..837a85db6 100644
> --- a/Doc/Zsh/expn.yo
> +++ b/Doc/Zsh/expn.yo
> @@ -1915,8 +1915,9 @@ Substitutions of the form
> `tt(${|)var(param)tt(|)...tt(})' are similar,
>  except that the substitution is replaced by the value of the parameter
>  named by var(param).  No implicit save or restore applies to var(param)
>  except as noted for tt(REPLY), and var(param) should em(not) be declared
> -within the command.  If var(param) names an array, array expansion rules
> -apply.
> +within the command.  If, after evaluating the expression, var(param)
> +names an array, array expansion rules apply.  However, tt(REPLY) is
> +always expanded in scalar context, even if assigned an array.
>
>  A command enclosed in braces preceded by a dollar sign, and set off from
>  the braces by whitespace, like `tt(${ )...tt( })', is replaced by its

That works for me.

-- 
Mikael Magnusson