For people who create and modify text files, sed and awk are power tools for editing. Most of the things that you can do with these programs can be done interactively with a text editor. However, using sed and awk can save many hours of repetitive work in achieving the same result.
To master sed and awk you must thoroughly understand UNIX regular expressions, and understand the syntax of sed and awk commands. This handbook treats regular expressions as a foundation for learning about sed and awk and contains a comprehensive treatment of sed and awk syntax. It emphasizes the kinds of practical problems that sed and awk can help users to solve, with many useful example scripts and programs.
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Dale Dougherty is the publisher of the O'Reilly Network and Director of O'Reilly Research. Dale has been instrumental in many of O'Reilly's most important efforts, including founding O'Reilly & Associates with Tim O'Reilly. He was the developer and publisher of Global Network Navigator (GNN), the first commercial Web site. Dale was developer and publisher of Web Review, the online magazine for Web designers, and he was O'Reilly & Associates' first editor. Dale has written and edited numerous books at O'Reilly & Associates. Dougherty is a Lecturer in the School of Information Management and Systems (SIMS) at the University of California at Berkeley.
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