shell 脚本 执行后获取执行结果

执行命令
check_es_res="$(systemctl status elasticsearch)"
判断执行结果中是否有"run"字符串
if [[ $check_es_res =~ “run” ]]
then
echo “The es service is running”
else
echo “The es service is stop”
rpm -e elasticsearch
echo “remove es related components…”
fi