In this interactive tutorial series, you’ll explore basic and advanced operations with sed , the command line stream editor found in Linux. You will almost certainly never replace your regular text editor with sed, but it will certainly become a welcomed addition to your text editing toolbox.

The sed stream editor is a non-interactive line editor that can perform powerful editing operations on text streams or files. Learning to use sed well will allow you to transform text with great speed and flexibility.

The sed stream editor can be used to perform complex editing operations with a minimal amount of instruction. The automated nature of sed makes it perfect for use in scripts and background processing. This article will continue where the Basics of Using the Sed Stream Editor article left off.