Chapter 20

Advanced sed

In This Chapter

• Multiline commands
• The hold space
• Negating a command
• Changing the flow
• Pattern replacement
• Using sed in scripts
• Creating sed utilities

Chapter 18 showed you how to use the basics of the sed editor to manipulate text in data streams. The basic sed editor commands are capable of handling most of your everyday text-editing requirements. This chapter takes a look at the more advanced features that the sed editor has to offer. These are features that you might not use as often, but when you need them, it's nice to know that they're there and how to use them.