It covers about 90% of AWK, but in condensed form.

For using AWK, try the resources linked at the bottom of the article, like Eric Pement's one-liners and Bruce Barnett's page:

http://www.grymoire.com/Unix/Awk.html

http://www.pement.org/awk/awk1line.txt

The man page for awk is pretty good too.

http://www.catonmat.net/blog/awk-one-liners-explained-part-o...