# program to produce intewrnal time/frequence statistics from clockstats files## usage: awk -f itf.awk clockstats## format of input record# 49227 67.846 127.127.10.1 93:240:00:00:51.816 ITF# COCO 0 +2.0579E-07 -3.1037E-08 -7.7723E-11 +6.5455E-10 500.00 4.962819## format of output record (time values in nanoseconds)#  MJD      sec      time        freq# 49227   67.846  +2.0579E-07  -7.7723E-11## select ITF records with valid format{	if (NF >= 10 && $5 == "ITF") {		printf "%5s %9.3f %7.1f %10.3e\n", $1, $2, $8 * 1e9, $10	}}