Awk GNU

Awk GNU is a powerful command-line text processing and pattern-scanning utility designed for searching, extracting, and transforming structured text data. It is widely used in Linux and Unix environments for log analysis, report generation, and data manipulation tasks.

Features of GNU Awk:

• Processes text files and standard input using pattern-action rules.
• Supports field-based data extraction and transformation.
• Includes built-in variables, functions, and arithmetic operations.
• Ideal for log processing, reporting, and automation tasks.
• Works seamlessly with pipes and other Unix command-line tools.
• Fully CLI-based with no graphical interface or database dependency.

GNU Awk Usage

$ sudo su
$ awk --version          
  # Check GNU Awk version
$ echo "hello world" | awk '{print $2}'
  # Process standard input