The AWK Programming Language, 2nd Edition [2 ed.] 9780138269777, 9780138269722, 0138269726

Awk was developed in 1977 at Bell Labs, and it's still a remarkably useful tool for solving a wide variety of probl

129 83 15MB

English Pages 240 Year 2023

Table of contents :
Cover Page
About This eBook
Halftitle Page
Title Page
Copyright Page
Dedication Page
Contents
Preface
Organization of the Book
The Examples
Evolution of Awk
Acknowledgments
Acknowledgments for the First Edition
1. An Awk Tutorial
1.1 Getting Started
1.2 Simple Output
1.3 Formatted Output
1.4 Selection
1.5 Computing with Awk
1.6 Control-Flow Statements
1.7 Arrays
1.8 Useful One-liners
1.9 What Next?
2. Awk in Action
2.1 Personal Computation
2.2 Selection
2.3 Transformation
2.4 Summarization
2.5 Personal Databases
2.6 A Personal Library
2.7 Summary
3. Exploratory Data Analysis
3.1 The Sinking of the Titanic
3.2 Beer Ratings
3.3 Grouping Data
3.4 Unicode Data
3.5 Basic Graphs and Charts
3.6 Summary
4. Data Processing
4.1 Data Transformation and Reduction
4.2 Data Validation
4.3 Bundle and Unbundle
4.4 Multiline Records
4.5 Summary
5. Reports and Databases
5.1 Generating Reports
5.2 Packaged Queries and Reports
5.3 A Relational Database System
5.4 Summary
6. Processing Words
6.1 Random Text Generation
6.2 Interactive Text-Manipulation
6.3 Text Processing
6.4 Making an Index
6.5 Summary
7. Little Languages
7.1 An Assembler and Interpreter
7.2 A Language for Drawing Graphs
7.3 A Sort Generator
7.4 A Reverse-Polish Calculator
7.5 A Different Approach
7.6 A Recursive-Descent Parser for Arithmetic Expressions
7.7 A Recursive-Descent Parser for a Subset of Awk
7.8 Summary
8. Experiments with Algorithms
8.1 Sorting
8.2 Profiling
8.3 Topological Sorting
8.4 Make: A File Updating Program
8.5 Summary
9. Epilogue
9.1 Awk as a Language
9.2 Performance
9.3 Conclusion
Appendix A: Awk Reference Manual
A.1 Patterns
A.2 Actions
A.3 User-Defined Functions
A.4 Output
A.5 Input
A.6 Interaction with Other Programs
A.7 Summary
Index
Code Snippets

The AWK Programming Language, 2nd Edition [2 ed.]
9780138269777, 9780138269722, 0138269726

Author / Uploaded
Aho
Alfred V.
Kernighan
Brian W.
Weinberger
Peter J.; Brian W. Kernighan; Peter J. Weinberger

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