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 c...@case.edu http://tiswww.cwru.edu/~chet/