cat test.sh
# 定义一个空的数组
array=()
ping -w 1 192.168.1.1 > /dev/null 2>&1
array+=($?)
ping -w 1 192.168.1.1 > /dev/null 2>&1
array+=($?)
ping -w 1 127.0.0.1 > /dev/null 2>&1
array+=($?)
echo ${array[*]}
# sh test.sh
1 1 0
标签：元素,ping,dev,sh,添加,数组,array,null From： https://www.cnblogs.com/suyj/p/17043789.html