{"product_id":"9781491904961","title":"Effective awk Programming: Universal Text Processing and Pattern Matching","description":"\u003cp\u003eWhen processing text files, the \u003ci\u003eawk\u003c\/i\u003e language is ideal for handling data extraction, reporting, and data-reformatting jobs. This practical guide serves as both a reference and tutorial for POSIX-standard \u003ci\u003eawk\u003c\/i\u003e and for the GNU implementation, called \u003ci\u003egawk\u003c\/i\u003e. This book is useful for novices and \u003ci\u003eawk\u003c\/i\u003e experts alike.\u003c\/p\u003e\u003cp\u003eIn this thoroughly revised edition, author and \u003ci\u003egawk\u003c\/i\u003e lead developer Arnold Robbins describes the \u003ci\u003eawk\u003c\/i\u003e language and \u003ci\u003egawk\u003c\/i\u003e program in detail, shows you how to use \u003ci\u003eawk\u003c\/i\u003e and \u003ci\u003egawk\u003c\/i\u003e for problem solving, and then dives into specific features of \u003ci\u003egawk\u003c\/i\u003e. System administrators, programmers, webmasters, and other power users will find everything they need to know about \u003ci\u003eawk\u003c\/i\u003e and \u003ci\u003egawk\u003c\/i\u003e. You will learn how to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFormat text and use regular expressions in \u003ci\u003eawk\u003c\/i\u003e and \u003ci\u003egawk\u003c\/i\u003e\n\u003c\/li\u003e\n\u003cli\u003eProcess data using \u003ci\u003eawk\u003c\/i\u003e's operators and built-in functions\u003c\/li\u003e\n\u003cli\u003eManage data relationships using associative arrays\u003c\/li\u003e\n\u003cli\u003eDefine your own functions\u003c\/li\u003e\n\u003cli\u003e\"Think in \u003ci\u003eawk\u003c\/i\u003e\" with two full chapters of sample functions and programs\u003c\/li\u003e\n\u003cli\u003eTake advantage of \u003ci\u003egawk\u003c\/i\u003e's many advanced features\u003c\/li\u003e\n\u003cli\u003eDebug \u003ci\u003eawk\u003c\/i\u003e programs with the \u003ci\u003egawk\u003c\/i\u003e built-in debugger\u003c\/li\u003e\n\u003cli\u003eExtend \u003ci\u003egawk\u003c\/i\u003e by writing new functions in C or C++\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis book is published under the terms of the GNU Free Documentation License. \u003ci\u003eYou have the freedom to copy and modify this GNU manual.\u003c\/i\u003e\u003c\/p\u003e\u003cp\u003eRoyalties from the sales of this book go to the Free Software Foundation and to the author.\u003c\/p\u003e","brand":"O'Reilly Media, Incorporated","offers":[{"title":"Default Title","offer_id":47136509231344,"sku":"9781491904961","price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781491904961_p0.jpg?v=1763661398","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781491904961","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}