Related to awk script

AWK Features Explained with Examples

This article covers the usage of the AWK command in Linux.  In fact, AWK can use to manipulate text in documents or perform specific functions.

What Operations can AWK do ?

  • Scanning files line by line.
  • Splitting each input line into fields.
  • Comparing input lines and fields to patterns.
  • Performing specified actions on matching lines.

AWK Command Usefulness includes:

  • Changing data files.
  • Producing formatted reports.

What is AWK Syntax ?

It is given below:

$ awk options 'selection _criteria {action }' input-file > output-file

10 Useful Awk Command Examples in Linux

This article covers a few awk commands and scripts.

Awk is a scripting language used for manipulating data and generating reports.

The awk command programming language requires no compiling, and allows the user to use variables, numeric functions, string functions, and logical operators. 

AWK Syntax: 

$ awk options 'selection _criteria {action }' input-file > output-file

Functions of AWK:

1. AWK Operations: 

(a) Scans a file line by line 

(b) Splits each input line into fields 

(c) Compares input line/fields to pattern 

(d) Performs action(s) on matched lines 

2. Useful For: 

(a) Transform data files 

(b) Produce formatted reports 

3. Programming Constructs: 

(a) Format output lines 

(b) Arithmetic and string operations 

(c) Conditionals and loops