It does not change the input but simply shows the result in the standard output.
Thus, it is more suitable for a lot of tasks than traditional text editors.Īt its core, sed takes some input, performs some manipulations, and spits out the output. Moreover, sed plays very well with standard Linux terminal tools and commands. It adheres to the core Unix philosophy by performing this specific task very well. You can use sed to transform text or filter out essential data on the fly. Although we can use a number of Linux text editors for editing, sed allows for something more convenient. It allows us to make editing changes to a stream of textual data. Sed is a stream editor built on top of the ed utility. How SED Works: A Basic Understandingīefore delving into the examples directly, you should have a concise understanding of how sed works in general. This guide aims to wrap up the sed utility for novice users and make them adept at text processing using Linux and other Unices. We have already covered the Linux grep command and awk command for beginners. Sed is one of the three widely used filtering utilities available in Unix, the others being “grep and awk”. That’s why we have undertaken the liberty of producing this guide and helping them learn the basics of sed as easily as possible.
Print Lines Containing Specific Number of Characters Adding Blank Lines on Every N-th Line of Input
