>>>>> On Thu, 20 Feb 2020, pepa65 wrote:
> On 20/02/2020 19.48, Ulrich Mueller wrote:
>> Still, I think it's sad that there isn't a command that can test for
>> assigned vs void variable, without the need for parsing of declare -p
>> output.
> There is no need to parse, the return value of `declare -p var` or
> `typeset -p var` will tell you what you want.
Unfortunately, it doesn't:
$ f() {
> local var
> var="foo"
> declare -p var
> echo $?
> unset var
> declare -p var
> echo $?
> }
$ f
declare -- var="foo"
0
declare -- var
0
