Linux Gawk Reference Manual

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The awk utility interprets a special-purpose programming language that makes it possible to handle simple data-reformatting jobs with just a few lines of code.

The Gawk Reference Guide provides beginners with a simple introduction to the basics, and experts will find advanced details they need.

In this you will see the following things below.

Part I: The awk Language

1 Getting Started with awk

2 Running awk and gawk

3 Regular Expressions

4 Reading Input Files

5 Printing Output

6 Expressions

7 Patterns, Actions, and Variables

8 Arrays in awk

9 Functions

Part II: Problem Solving with awk

10 A Library of awk Functions

11 Practical awk Programs

Part III: Moving Beyond Standard awk with gawk

12 Advanced Features of gawk

13 Internationalization with gawk

14 Debugging awk Programs

15 Arithmetic and Arbitrary-Precision Arithmetic with gawk

16 Writing Extensions for gawk

Part IV: Appendices

Appendix A The Evolution of the awk Language

Appendix B Installing gawk

Appendix C Implementation Notes

Appendix D Basic Programming Concepts

You will find all this section offline without any internet connection and lean DB easily anywhere and anytime.