-futility.exp

or

-f utility.exp

    "utility.exp"  is  an  ASCII  file  containing  an QTAwk pattern/action
    utility to execute.  The utility file is read after the command line is
    scanned for further options.  Multiple utility files may be  specified.
    Each utility file is read in the order specified.

-Fstr_value

or

-F str_value

    FS, the input  field separator, is  set to the  string "str_value".   A
    second "-F" option will cause an error and execution is halted.