Learn AWK with Real Code Examples

Learn patterns and field operations

Master regex in AWK

Study associative arrays

Write BEGIN/END block logic

Build full automation pipelines

Week 1: Fields and patterns

Week 2: Regex and filtering

Week 3: Aggregations and arrays

Week 4: Reports and formatting

Week 5: Large pipeline workflows

Explain AWK’s pattern-action model.

What does $0, $1, $NF represent?

How do associative arrays work in AWK?

What is the difference between sed and awk?

How do BEGIN and END blocks function?

awk '{print $1}' file - print first column

awk -F, '{print $2}' file.csv - use custom delimiter

/error/ {print} - print matching lines

{count[$1]++} END {for (i in count) print i, count[i]} - histogram

printf "%s %d\n", $1, $2 - formatted print

The AWK Programming Language (classic)

Effective AWK Programming (GNU)

Sed & Awk (O’Reilly)

UNIX Power Tools

Classic Shell Scripting

Intro to AWK

Pattern and Action Model

Associative Arrays Deep Dive

Writing AWK Scripts

Command-line One-Liners

GNU AWK Manual

POSIX AWK Specification

The AWK Programming Language (Kernighan, Aho, Weinberger)

Stack Overflow awk tag

Unix & Linux SE

GNU mailing lists

GitHub AWK repositories

DevOps and shell scripting forums

Stack Overflow’s awk/gawk tags

GNU AWK mailing lists

Unix/Linux communities

Sysadmin forums

GitHub AWK script repositories