: ${TMPDIR:=/tmp}

mkdir $TMPDIR/bash-test-$$
cd $TMPDIR/bash-test-$$

trap "cd / ; rm -rf $TMPDIR/bash-test-$$" 0 1 2 3 6 15

touch '[3]=abcde'

touch r s t u v

declare -a x=(*)

echo ${x[3]}
echo ${x[@]}

unset x
x=(a b c d e)

echo ${x[*]: -1}

unset x[4]
unset x[2]

x[9]='9'

echo ${x[*]: -1}

TOOLKIT=(1 2 3 4 5 6 7 8 9 10)
ARRAY="1"
echo ${TOOLKIT["$ARRAY"]}

exit 0