CA002 - AWK Programming

Course Description: The objective of this course is to develop the programming skills required to write applications using the awk programming language.

Audience: Unix system application developers, administrators, and advanced users.

Prerequisites: The ability to write programs in a high level language (such as C or shell) is very helpful in completing the lab exercises and understanding the lectures. A good working knowledge of the UNIX environment is necessary.

Course Contents

Introduction to awk

What is awk and Why?

How awk Programs Work

Running awk Programs

Examples

awk Patterns

Summary and Patterns

BEGIN and END

Expressions

String-Matching Patterns

Extended REs in awk

Range Patterns

awk Actions

Summary of Statements

Expressions

Operators

Flow Control

More Flow Control

The next, break, continue, and exit statements

Built-in Variables

awk Input andOutput

Formatted Output with printf

Output into Files

Output into Pipes

Input Separators

Multi-Line Records

The getline Function

More getline

Command Line Parameters

awk Functions

Built-In Arithmetic Functions

Built-In String Functions

More String Functions

User Defined Functions

Local Variables

awk Arrays

Arrays

Associative Arrays

The Array for Statement

The Array in Operator

Deleting Array Elements

The Split Function

Multi-Dimensional Arrays

Command Line Parameter Passing

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