Introduction
This document describes the possible ways of using the
awk command in UNIX, its advantages and different usages with examples and an
ETL case study
Usage
awk –F\<<delimiter>> ‘{print $0}’ <<file
name>>
Ex: awk –F\|
‘{print $0}’ Unix_File.dat
This command will display all the records in the file
Unix_File.dat
‘|’ is the delimiter
‘$0’ refers to the entire set of records
This is as good as cat
<<filename>>
Purpose
The purpose of awk command is to know exactly what
value is present in particular column of a flat file on UNIX and also to
display the records that match a particular criteria. If cat command is used,
user may have to manually...
