Re: "${assoc[@]@k}" doesn't get expanded to separate words within compound assignment syntax

[alex xmb sw ratchev]

On Wed, Mar 20, 2024, 12:59 Greg Wooledge <greg@wooledge.org> wrote:

> On Wed, Mar 20, 2024 at 12:53:07PM +0100, alex xmb sw ratchev wrote:
> > On Wed, Mar 20, 2024, 12:49 Greg Wooledge <greg@wooledge.org> wrote:
> >
> > > On Wed, Mar 20, 2024 at 07:11:34AM -0400, Zachary Santer wrote:
> > > > On Wed, Mar 20, 2024 at 12:29 AM Lawrence Velázquez <vq@larryv.me>
> > > wrote:
> > > > > A couple of previous discussions:
> > > > >   -
> https://lists.gnu.org/archive/html/bug-bash/2020-12/msg00066.html
> > > > >   -
> https://lists.gnu.org/archive/html/bug-bash/2023-06/msg00128.html
> > > >
> > > > There I go, reporting a bug that isn't a bug again.
> > > >
> > > > One would think that enabling this behavior would be the entire
> > > > purpose of the alternate ( key value ) syntax. If it doesn't do that,
> > > > what benefit does it give over the standard ( [key]=value ) syntax?
> > > > Maybe it;s easier to use eval with?
> > >
> > > I believe the "X" in this X-Y problem is "I want to serialize an
> > > associative array to a string, send the string to another bash script,
> > > and de-serialize it back into an associative array there."
> > >
> >
> > as to that , simply declare -p and run that back
>
> That will work in some cases, yes.  The problem is that it locks you
> in to having the same array name and the same attributes (if any) as
> the original array had.  It also runs "declare" which can create issues
> with scope, if it's done inside a function.  Perhaps you wanted to
> populate an array that was previously declared at some scope other
> than your own, and other than global (which means adding -g wouldn't
> work either).
>
> I suppose you might argue that you could run declare -p, and then
> edit out the "declare" and the attributes, and then while you're at it,
> also edit the array name.  I guess that's a possible solution, but it
> really seems ugly.


that i used yes , in very few projects

>