set -A NAMES alex helen jenny scott
echo $NAMES
echo ${NAMES[2]}
echo ${NAMES[*]}
#echo ${NAMES[2,-2]}

set -A A "${NAMES[*]}"
set -A B "${NAMES[@]}"
set | head -5
NAMES[4]=william
echo ${NAMES[*]}
echo $A[1]
echo $A[2,7]
A[6,10="alice"
echo ${NAMES[*]}

echo $A
echo $#A
echo $A[2]