Sed command to replace lines in a file

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Learn more. How to replace a whole line with sed? Ask Question. Asked 10 years ago. Active 1 year, 9 months ago. Viewed k times. Improve this question. Michael Michael Please help us improve Stack Overflow. Take our short survey. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. How to replace a whole line with sed? Ask Question. Asked 10 years ago. Active 1 year, 9 months ago.

Viewed k times. Improve this question. What if the string you want to replace is found more than once in the first line and you need to replace all of them? In that case, this solution doesn't work. Chris Seymour Chris Seymour Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.

Post as a guest Name. Email Required, but never shown. The Overflow Blog. Stack Gives Back If the second match exists in the file, then it will be replaced by the number Run the following command to check the existing content of the file. I am a trainer of web programming courses. I like to write article or tutorial on various IT topics. Sometimes it requires to replace multiple lines of a file with any particular character or text.

Different commands exist in Linux to replace multiple lines of a file. How this command can be used to replace the multiple lines of a file in different ways are explained in this tutorial.