Unix Awk Tutorial

9 Powerful Awk Built-in Functions for Numeric

by Sasikala on March 17, 2010

Similar to awk built-in variables, awk also has lot of built-in functions for numeric, string, input, and ouput operations. Awk has the following three types of high level built-in function categories.

  1. Built-in functions for numeric operations
  2. Built-in functions for String operations
  3. Built-in functions for Input Output operations

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AWK Arrays Explained with 5 Practical Examples

by Sasikala on March 10, 2010

Awk programming language supports arrays. As part of our on-going awk examples series, we have seen awk user defined variables and awk built-in variables. Arrays are an extension of variables. Arrays are variable that hold more than one value. Similar to variables, arrays also has names. In some programming languages, arrays has to be declared, so that memory will be allocated for the arrays. Also, array indexes are typically integer, like array[1],array[2] etc.,
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4 Awk If Statement Examples ( if, if else, if else if, :? )

by Sasikala on February 17, 2010

Linux Awk Tutorials - Conditional If Else Statement ExamplesThis article is part of the on-going Awk Tutorial Examples series. In our earlier awk articles, we discussed about awk print, awk user-defined variables, awk built-in variables, and awk operators.

In this awk tutorial, let us review awk conditional if statements with practical examples.
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7 Powerful Awk Operators Examples (Unary, Binary, Arithmetic, String, Assignment, Conditional, Reg-Ex Awk Operators)

by Sasikala on February 3, 2010

Linux Awk Tutorials - Awk Reg-Ex Operator ExamplesThis article is part of the on-going Awk Tutorial Examples series. In our earlier awk articles, we discussed about awk print, awk user-defined variables, and awk built-in variables.

Like any other programming language Awk also has lot of operators for number and string operations. In this article let us discuss about all the key awk operators.
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Awk Tutorial: Understand Awk Variables with 3 Practical Examples

by Sasikala on January 20, 2010

Linux Awk Tutorial - User-defined and Built-in Awk VariablesThis article is part of the on-going Awk Tutorial and Examples series. Like any other programming languages, Awk also has user defined variables and built-in variables.

In this article let us review how to define and use awk variables.
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Awk Introduction Tutorial – 7 Awk Print Examples

by Sasikala on January 6, 2010

Linux Awk Tutorial - Introduction and Awk Examples

This is the first article on the new awk tutorial series. We’ll be posting several articles on awk in the upcoming weeks that will cover all features of awk with practical examples.

In this article, let us review the fundamental awk working methodology along with 7 practical awk print examples.
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