Options

F fs

Uses fs as the value of the input field separator (FS variable).

f program-file

Reads the awk program from the file named program-file instead of the command line. You can specify this option more than once on a command line.

v var=value

Assigns value to the variable var. The assignment takes place prior to execution of the awk program and is available within the BEGIN pattern (page 612). You can specify this option more than once on a command line.