Re: Context sensitivity of the word "parameter" in the section of "Parameter Expansion"

[Peng Yu]

On 5/9/21, Eli Schwartz <eschwartz@archlinux.org> wrote:
> On 5/9/21 2:51 PM, Peng Yu wrote:
>> My point is the manual is not clear. It is not how to make it work in this
>> case.
>
> I'm not sure what you want here. This has nothing to do with Parameter
> Expansion, and the HISTORY EXPANSION section of the bash manual notes that:

Since history expansion how parameter expansion is interpreted. I'd
say it is not "has nothing to do". The manual can be made clear on
this interference in the Parameter Expansion section.

>> History expansions introduce words from the history list into the
>> input stream, [...]
>
> and
>
>> History  expansion is performed immediately after a complete line is
>> read, before the shell breaks it into words, [...]
>
> So you may consider as though the bash parser never read your parameter
> expansion, because the input stream parser modified it first.
>
> P.S. As usual, please stop top-posting.

Unfortunately. Gmail by default does it.

-- 
Regards,
Peng