本文已参与「新人创作礼」活动，一起开启掘金创作之路。
method1
sed -i "s/oldString/newString/g" `grep oldString -rl /path`
sed -i "s/oss_room_v2/oss_bi_all_room/g" `grep oss_room_v2 -rl /home/hadoop/nisj/automationDemand/idfaQuery`
method2
grep oldString -rl /path | xargssed -i "s/oldString/newString/g"
grep data_chushou_pay_info -rl /home/hadoop/nisj/automationDemand/idfaQuery | xargs sed -i "s/data_chushou_pay_info/oss_bi_all_chushou_pay_info/g"
也可以在grep子句中添加过滤，如：【grep oss_room_v2 -rl /home/hadoop/nisj/automationDemand/idfaQuery/*.py】
