1 08708877 2003-11-25 devnull NF == 2 { 2 08708877 2003-11-25 devnull printf "%s\t%s\n", $2, $1 3 08708877 2003-11-25 devnull } 4 08708877 2003-11-25 devnull NF != 2 { 5 08708877 2003-11-25 devnull print "ERROR " $0 6 08708877 2003-11-25 devnull }