If you need to parse or process text data in Linux or Unix, this classic book explains how to use flex and bison to solve your problems quickly - whether you're interpreting code, configuration files, or any other structured format. flex & bison is the long-awaited sequel to the classic O'Reilly book, lex & yacc. In the nearly two decades since that book was published, the flex and bison utilities have proven to be more reliable and more powerful than the original Unix tools. This book covers the same core functionality vital to Linux and Unix program development, along with several important new topics.