AWK programming

AWK → COBOL in C language syntax

    Processing input file of Records(Lines, delimeter NEWLINE by default) and each record with many fields (every word separated by delimeter, Space by default)

 

awk - Shell command

Program is given as first parameter sorrounded by signle quote 'whole program'

Then input file name as second parameter

Output will printed on console

 

Sample script to create folder with increasing number as suffix. Foldno.sh

 

#!/bin/bash

TARGET=/home/denso/folder/set0

DNO=$(ls -l $TARGET | grep '^d' | awk 'END{print NR}')
mkdir $TARGET/set_$DNO