Famous Awk One-Liners Explained

Famous Awk One-Liners Explained, Part II - good coders code, great reuse: "“What are these famous Awk one-liners?”, you might wonder? Well, they are concise and beautiful Awk programs that span no more than 70 characters (less than one terminal line). They were written by Eric Pement and are floating around on the Internet as ‘awk1line.txt‘ file."