shell数组遍历

示例

data=(value0 value1 value2 value3)
echo "======方法一========"
for item in ${data[*]}
do
        echo $item
done

echo "=======方法二======="

for item in ${data[@]}
do
        echo $item
done

echo "=======方法三======="
for i in ${data[@]}
do
        echo $i
done

echo "=======方法四======="
for i in $(seq 0 ${#data[@]})
do
        echo ${data[$i]}
done
echo "=========方法五====="
echo ${data[0]} 
echo ${data[1]}
echo ${data[2]}
echo ${data[3]}