#!/bin/bash
arr=(1 2 3 4 5 6)
echo "print the elemetn as \${arr[idx]}"
for((i=0; i<6; i++))
do
echo ${arr[$i]}
done
echo "print the element as a list \${arr[*]}"
echo ${arr[*]}
echo "print the element as a list \${arr[@]}"
echo ${arr[@]}
echo "print the len of arr: \${#arr[*]}"
echo ${#arr[*]}
