for item in `cat 2.txt` do grep $item 1.txt >/tmp/test.txt if [ $? -ne 0 ];then echo "$item" fi done 相关文章: 2022-12-23 2021-12-19 2022-12-23 2021-10-25 2022-12-23 2022-12-23 2022-12-23 2022-12-23