awk one-liner Tips

Print column1, column5 and column7 of a data file or output of any columns list

$awk ‘{print $1, $5, $7}’ data_file$cat file_name |awk ‘{print $1 $5 $7}’$ls –al |awk ‘{print $1, $5, $7}’ -- Prints file_permissions,size and date

Syntax of running an awk program

Awk ‘program’ input file(s)

List all files names whose file size greater than zero.

$ls –al |awk ‘$5 > 0 {print $9}’

List all