Example of sed substitution usage in linux

This article will explain in detail the examples of sed substitution in linux. The editor thinks it is very practical, so I share it with you for reference. I hope you can get something after reading this article.

Substitution usage of sed in linux

The sed command can directly replace the contents of the file and its usage is as follows:

Sed-I's Greater A Greater G' file.txt

The parameter-I will be replaced directly in the source file, so make sure you use this parameter later.

S stands for substitution, usually followed by a regular expression.

This command replaces all A's in the file by line, and if you want to replace only some lines in the file, you can do this:

Sed-I '1s sed-I'1s sed-I'2 replacement of the second line to the last line of the article on "examples of sed substitution in linux" ends here. Hope that the above content can be helpful to you, so that you can learn more knowledge, if you think the article is good, please share it for more people to see.