Awk One-Liners Explained, Part I: File Spacing, Numbering and CalculationsI noticed that Eric Wendelin wrote an article "awk is a beautiful tool." In this article he said that it was best to introduce Awk with practical examples. I totally agree with Eric. When I was learning Awk, I first went through Awk - A Tutorial and Introduction by Bruce Barnett, which was full of examples to try out; then I created an Awk cheat sheet to have the language reference in front of me;
