Companion volume to Sed & awk, 2nd ed., by Dale Dougherty and Arnold Robbins, and Effective awk programming, 3rd ed., by Arnold Robbins.
Previous ed.: 2000.
Sed & awk pocket reference by Arnold Robbins. ISBN 0596003528. Published by O'Reilly in 2002. Publication and catalogue information, links to buy online and reader comments.