method1

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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

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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】

写在最后

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