Re: ${!variable@operator} does not work for variables without values; inconsistencies between present and absent [@] for @A and @a

[Chet Ramey]

On 2/19/20 4:03 PM, Arfrever Frehtes Taifersar Arahesis wrote:

> ${variable@A} does not work for scalar variables without values, but
> interestingly ${variable[@]@A} works for them.

What does this mean? If you have, for instance,

declare -lr VAR1
echo ${VAR1@A}
echo ${VAR1[@]@A}

you get two empty lines.


-- 
``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/