Bash has arrays. x=(1 2) echo "${x[0]}" And associative arrays declare -A x x[hi]=20 x[bye]=30 echo "${x[hi]}" for i in "${!x[@]}

Bash has arrays. x=(1 2) echo "${x[0]}" And associative arrays declare -A x x[hi]=20 x[bye]=30 echo "${x[hi]}" for i in "${!x[@]}"; do echo "k: $i, v: ${x[$i]}" done