Awk

Hello World in AWK

Every programming journey starts with Hello World. Let’s write our first AWK program and get a glimpse of this legendary text-processing language from Bell Labs.

The Code

Create a file named …

Variables and Types in AWK

AWK has a deceptively simple type system that belies its expressive power. Unlike most languages where you declare variables before using them, AWK variables spring into existence the moment you …

Operators in AWK

Operators are the building blocks of every AWK expression — they drive the calculations inside action blocks and the conditions inside patterns. Because AWK borrows much of its operator syntax from C, …

Control Flow in AWK

Control flow in AWK is unique among programming languages. While AWK includes the familiar if/else, for, and while constructs from C, its primary control flow mechanism is something else entirely: …