Category: AWK

Awk tutorial: awk regex example

What Is Regex? Types of Regex:BRE and ERE. Awk using BRE regex Patterns, Special Characters; Awk using ERE regex Patterns, matches the start...

Awk tutorial: three ways of awk execution

Linux awk command execution ways: 1. Command line execution Detailed introduction of syntax, see 《Linux awk》 2. Shell script file execution Explanation: !/usr/bin/awk The first...

Awk tutorial: awk NR FNR difference

Linux awk command can use variables NR and FNR to process multiple files. NR : ordinal number of the current record, multiple files self-increase FNR...

Awk tutorial: awk sort uniq

In daily development, we often use awk command to cut and sort log file columns and count them. awk sort uniq count example awk column...