On Thu, Jul 11, 2024, 15:42 Dr. Werner Fink <wer...@suse.de> wrote:
> Hi,
>
> I've a report that with later bash the following which works in bash-4.2
>
> x () {
> local x=y
> declare -p x
> echo $x
> unset x
> declare -p x
> echo $x
> }
>
> with
>
> linux-40cm:~ # x () {
> > local x=y
> > declare -p x
> > echo $x
> > unset x
> > declare -p x
> > echo $x
> > }
> linux-40cm:~ # x
> declare -- x="y"
> y
> -bash: declare: x: not found
>
> but with bash-5.X the reporter sees (and complains)
>
> sl15sp5:~ # x () {
> > local x=y
> > declare -p x
> > echo $x
> > unset x
> > declare -p x
> > echo $x
> > }
> sl15sp5:~ # x
> declare -- x="y"
> y
> declare -- x
>
id aay the v5 is more valid as error got replaced by working code ( var=foo
; sav=$( declare -p var ) ; .. ; eval "$var" ( or maybe another noeval
version )
greets
... for global variables it works as expected.
>
> Werner
>
> --
> "Having a smoking section in a restaurant is like having
> a peeing section in a swimming pool." -- Edward Burr
>
