Re: nofork command substitution

[alex xmb ratchev]

On Fri, May 19, 2023, 21:11 Greg Wooledge <greg@wooledge.org> wrote:

> On Fri, May 19, 2023 at 06:35:50PM +0200, alex xmb ratchev wrote:
> > so that i understand ,
> >
> > var=${ awk ... }
>
> There's no reason to use this new thing if you're calling awk, because
> awk is an external program.  You might as well just use var=$( awk ... )
> instead.
>
> Either way, you're going to fork() and exec*() the external awk command.
>

o , this thing only useful for bash built ins ?


> ${| awk } no difference
>
> That one would give a different result because you're not assigning
> anything to REPLY.  If I understand the new thing correctly.
>

and ' REPLY ' is default var for output or wha

btw thanks mate ..
greets

>