On 2/19/20 5:22 PM, Arfrever Frehtes Taifersar Arahesis wrote:
>> ${variable@A} does not work for scalar variables without values, but
>> interestingly ${variable[@]@A} works for them.
>
> More precisely, ${variable[@]@A} is non-empty, but not exactly correct.
>
>> See difference between ${VAR1@A} and ${VAR1[@]@A} below.
>
> ${VAR1[@]@A} is:
> declare -rl VAR1=''"
> But should be:
> declare -rl VAR1
> As in output of 'declare -p VAR1'.
The output is two blank lines:
$ cat x6b
declare -lr VAR1
echo ${VAR1@A}
echo ${VAR1[@]@A}
$ ../bash-5.0-patched/bash ./x6b
The question is whether the unset variables should display commands to
set the attributes (@A) or display any attributes (@a).
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU [email protected] http://tiswww.cwru.edu/~chet/
