=over =item output_field_separator HANDLE EXPR =item $OUTPUT_FIELD_SEPARATOR =item $OFS =item $, The output field separator for the print operator. Ordinarily the print operator simply prints out the comma-separated fields you specify. To get behavior more like B, set this variable as you would set B's OFS variable to specify what is printed between fields. (Mnemonic: what is printed when there is a , in your print statement.) =back