Check out https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files https://unix.stackexchange.com/questions/112023/how-can-i-re...

Check out https://unix.stackexchange.com/questions/112023/how-can-i-replace-a-string-in-a-files https://unix.stackexchange.com/questions/112023/how-can-i-re... For more detailed resources, see https://www.grymoire.com/Unix/Sed.html https://www.grymoire.com/Unix/Sed.html and my ebook https://learnbyexample.github.io/learn_gnused/ https://learnbyexample.github.io/learn_gnused/