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

[Chet Ramey]

On 3/20/24 10:16 AM, Zachary Santer wrote:

> and then uses eval in his examples of how Bash could incorporate
> similar behavior:
>
> > array=( val1 "val2*[special-chars]" )
> > printf -v serialized "%q " "${array[@]}"
> > eval "deserialized=($serialized)"
>
> > declare-A hash=( [key1]=val1 ['key2*[special-chars]']=val2 )
> > printf -v serialized "%q " "${*hash[@]}"
> > typeset -A deserialized_hash
> > eval "deserialized_hash=($serialized)"
>
> I don't get it.

This is what you can do with @K.

https://lists.gnu.org/archive/html/bug-bash/2021-08/msg00119.html

Word splitting doesn't happen on the rhs of an assignment statement, so you
use eval. The @K quoting is eval-safe.

--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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