Sed is a non-interactive text editor that operates on piped input or text files. By providing it with instructions, you can make it modify and process text in files or streams. The most common use ...

I've got a 33GB .csv file. The column names in the file are wrong. I need to replace the first line with another line I have in a text file. I was thinking sed should be able to do edit in place ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...