The AWK Manual

Edition 1.0

Diane Barlow Close

Arnold D. Robbins

Paul H. Rubin

Richard Stallman

Piet van Oostrum

This file documents awk, a program that you can use to select particular records in a file and perform operations upon them.

This is Edition 1.0 of The AWK Manual,
for the new implementation of AWK (sometimes called nawk).

Notice: This work is derived from the original gawk manual. Adaptions for NAWK made by Piet van Oostrum, Dec. 1995, July 1998.

Preface: What you can do with awk; brief history and acknowledgements.
This Manual: Using this manual. Includes sample input files that you can use.
Getting Started: A basic introduction to using awk. How to run an awk program. Command line syntax.
Reading Files: How to read files and manipulate fields.
Printing: How to print using awk. Describes the print and printf statements. Also describes redirection of output.
One-liners: Short, sample awk programs.
Patterns: The various types of patterns explained in detail.
Actions: The various types of actions are introduced here. Describes expressions and the various operators in detail. Also describes comparison expressions.
Expressions: Expressions are the basic building blocks of statements.
Statements: The various control statements are described in detail.
Arrays: The description and use of arrays. Also includes array-oriented control statements.
Built-in: The built-in functions are summarized here.
User-defined: User-defined functions are described in detail.
Built-in Variables: Built-in Variables
Command Line: How to run awk.
Awk Summary
Sample Program: A sample awk program with a complete explanation.
Glossary: An explanation of some unfamiliar terms.
Index

This document was generated on 17 July 1998 using the texi2html translator version 1.51a.