Linux Gawk Reference Manual

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。