shell_三剑客sed

无情冲冲怪

已于 2025-04-04 12:51:53 修改

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文章标签： linux bash

于 2025-04-04 12:37:46 首次发布

本文链接：https://blog.youkuaiyun.com/bilongc/article/details/146997155

版权

vi test.txt
My name is chaoge.
I teach linux.
I like play computer game.
My qq is 877348180.
My website is http://pythonav.cn.

sed -n "2,3p" test.txt       # print2,3行
sed -i "/game/d" test.txt    # delete匹配的game行
sed -i "s/I/MY/g" test.txt   # 将所有的I改为MY
sed -i "2a MY linux" test.txt# 在第2行后追加内容add