touch newfile.txt 插入字符串 echo "aaa" >>/newfile.txt 替换字符串 sed -i "s/aaa/ccc/g" `grep aaa -rl /newfile.txt` 相关文章: 2022-02-07 2021-06-03 2021-12-04 2021-12-31 2021-12-31 2021-08-09 2022-01-02 2021-07-20