AWK one liners [part one]

AWK was initially developed in 1977 by Alfred Aho , Peter J Wienberger 

and Brian Kernighan. And hence the name(AWK) derived from 

their respective initials.

AWK was designed basically for text processing and used mostly for 

extraction and manipulation of data.

For more info  : visit here

Lets start with the examples.

1. Print Specific Column from a file

sample file created

awk '{print $1 "   " $3}' abc.txt

awk '{print $1 "   " $3}' abc.txt

2. Print all data from a table

awk '{print $0}' abc.txt