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Learning AWK Programming

You're reading from   Learning AWK Programming A fast, and simple cutting-edge utility for text-processing on the Unix-like environment

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788391030
Length 416 pages
Edition 1st Edition
Languages
Tools
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Author (1):
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Shiwang Kalkhanda Shiwang Kalkhanda
Author Profile Icon Shiwang Kalkhanda
Shiwang Kalkhanda
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Table of Contents (11) Chapters Close

Preface 1. Getting Started with AWK Programming FREE CHAPTER 2. Working with Regular Expressions 3. AWK Variables and Constants 4. Working with Arrays in AWK 5. Printing Output in AWK 6. AWK Expressions 7. AWK Control Flow Statements 8. AWK Functions 9. GNU's Implementation of AWK – GAWK (GNU AWK) 10. Practical Implementation of AWK

Printing Output in AWK

In most programming languages, the most common task is to display or print the output after processing the input. Inside AWK, we have two statements, print and printf, to accomplish the task of generating output. The print statement generates a simple output, while printf is used to generate formatted output or reports. These statements can be used together; the output comes in the order that they were used. In this chapter, we focus on basic and formatted printing (pretty printing). In the end, we will also cover I/O redirections to files instead of printing the output on screen.

In this chapter, we will cover the following topics:

    • Basic printing using the print statement
    • Using an output separator with the print statement
    • Pretty printing with printf
    • Using escape sequences
    • Printing with a format specifier
    • Printing with optional parameters
    • Redirecting...
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