sed awk

1 替换文件某一行

将文件./config/patchconfig/patch_config.json 的第二行替换为  "path": "../patchfiles", 

将文件aaa.txt中的第三行替换为888

content='"path": "../patchfiles", '
sed -i  "2c${content}" ./config/patchconfig/patch_config.jsonsed -i  '3c888' ./aaa.txt       

 

 

 

 

 

 

 

 

参考:

https://blog.csdn.net/nanaranran/article/details/81203905

https://www.cnblogs.com/seasonzone/p/11274788.html

https://zhidao.baidu.com/question/878349927740895212.html

 

来源：https://www.cnblogs.com/wolbo/p/12320327.html