This book is about a set of oddly named UNIX utilities, sed and awk. These utilities have many things in common, including the use of regular expressions for pattern matching. Since pattern matching is such an important part of their use, this book
The techniques described here grew out of my disenchantment with C++ when I needed object-oriented techniques to implement an interactive programming language and realized that I could not forge a portable implementation in C++. I turned to what I k
AWK是一种优良的文本处理工具。它不仅是 Linux 中也是任何环境中现有的功能最强大的数据处理引擎之一。这种编程及数据操作语言（其名称得自于它的创始人 Alfred Aho 、Peter Weinberger 和 Brian Kernighan 姓氏的首个字母）的最大功能取决于一个人所拥有的知识。AWK 提供了极其强大的功能：可以进行样式装入、流控制、数学运算符、进程控制语句甚至于内置的变量和函数。它具备了一个完整的语言所应具有的几乎所有精美特性。实际上 AWK 的确拥有自己的语言：AWK
Graphs are ubiquitous. There is hardly any domain in which objects and their relations cannot be intuitively represented as nodes and edges in a graph. Graph theory is a well-studied sub-discipline of mathematics, with a large body of results and a
This volume gives descr iptions of the publicly available features of the UNIX† system. It does not attempt to provide perspective or tutorial information upon the UNIX operating system, its facilities, or its implementation. Various documents on th
这本The C Programming Language相信大家再也熟悉不过了。英文书常用 作者的姓氏加以称呼，由C语言的设计者Brian W Kernighan 和 Dennis M Ritchie写的这本书通常被称作 K&R。这本书被视为 C 语言的圣经，所以 大家也喊它″C Bible″。 这本书不但是教 C 语言的课本，也是 C 语 言的定义，但也因此这本书并不好读。当作课本很好，对於其他书籍语焉 不详的部份可以在这里找到明确的定义；对於要自修的读者而言，读这本 书就比较辛苦了。
Preface to Book This book isn't an introduction to object-oriented technology or design. Many books already do a good job of that. This book assumes you are reasonably proficient in at least one object-oriented programming language, and you should h
AWK是一种优良的文本处理工具。它不仅是 Linux 中也是任何环境中现有的功能最强大的数据处理引擎之一。这种编程及数据操作语言（其名称得自于它的创始人 Alfred Aho 、Peter Weinberger 和 Brian Kernighan 姓氏的首个字母）的最大功能取决于一个人所拥有的知识。AWK 提供了极其强大的功能：可以进行样式装入、流控制、数学运算符、进程控制语句甚至于内置的变量和函数。它具备了一个完整的语言所应具有的几乎所有精美特性。实际上 AWK 的确拥有自己的语言：AWK
