Text Processing Reference

Text manipulation mastery. AWK field processing, sed transformations, jq JSON parsing, grep patterns, xargs pipelines.

Topics

Topic Description

AWK Fundamentals

Field processing, patterns, BEGIN/END blocks

AWK Network

IP parsing, MAC addresses, VLAN tables

AWK Logs

Auth logs, syslog parsing, log analysis

AWK Advanced

Data structures, multifile, proc parsing

sed

Stream editing, substitution, line addressing

jq

JSON parsing, filtering, transformations

grep

Pattern matching, regex, context lines

xargs

Argument building, parallel execution

Regex

BRE, ERE, PCRE patterns and flavors

Quick Reference