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Learn to Process Text in Linux using Grep, sed, and AWK

The Differences Between Grep, sed, and AWK

Grep, sed, and AWK are all standard Linux tools that are able to process text. Each of these tools can read text files line-by-line and use regular expressions to perform operations on specific parts of the file. However, each tool differs in complexity and what can be accomplished. Grep is used for finding text patterns in a file and is the simplest of the three. Sed can find and modify data, however, its syntax is a bit more complex than grep. AWK is a full-fledged programming language that can process text and perform comparison and arithmetic operations on the extracted text. This guide provides an overview of each tool with examples and includes links to guides in our library that go deeper into each tool.

Filter Data using AWK RegEx

AWK, named after the developers Aho, Weinberger, and Kernighan, is ideal for finding data in text files. Among its other virtues, the AWK Programming Language is optimized to make this task as easy as possible.

Learn the AWK Programming Language

What is AWK?

AWK is a Turing-complete pattern matching programming language. The name AWK is derived from the family names of its three contributors: Alfred Aho, Peter Weinberger and Brian Kernighan. AWK is often associated with sed, which is a UNIX command line tool. However, sed is more appropriate for one line UNIX shell commands and is typically used only for text processing.

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