How does linux view the lines before and after the match?

This article mainly introduces linux how to check the matching content before and after a few lines, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

In linux system, use grep to print matching upper and lower lines.

Grep can do this if you just want to match the upper and lower lines of the pattern.

/ / search the line number of the content in inputfile that satisfies parttern

Grep-n 'parttern' inputfile

View the contents of a file after the specified line number (90) in inputfile

$grep-5 'parttern' inputfile / / print the first and last five lines of the matching line

$grep-C 5 'parttern' inputfile / / prints the first and last five lines of the matching line

$grep-A 5 'parttern' inputfile / / print the last five lines of the matching line

$grep-B 5 'parttern' inputfile / / print the first five lines of the matching line

Tail-n + 90 inputfile

View lines 190 to 196 of the file inputfile

Sed-n '114196p' inputfile

Thank you for reading this article carefully. I hope the article "how to check linux before and after matching content" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!