This chapter has described the basic concepts of the awk programming language, and given you a short introduction to sed and to using sed with awk. At this point, you should be able to write short but very useful awk programs to perform many tasks.
This chapter is only an introduction to awk. It should be enough to give you a sense of the language and its potential, and to make it possible for you to learn more by using it. If you find that you want to learn more about awk, sed, or regular expressions, consult the resources listed next.