# print subset of file with timestamp NOT between 
# specified startSec and endSec.
# timeStamp is in first column
# Presumes that file timestamps are sorted in increasing order.
BEGIN {
    if (ARGC < 3) {
	print "usage: startSec endSec timestamp-file";
	exit;
    }

    startSec = ARGV[1];
    ARGV[1] = "";
    endSec = ARGV[2];
    ARGV[2] = "";

    if (endSec <= startSec) {
	printf "endSec must be greater than startSec\n";
	exit;
    }
}

NF == 0 { next; }
/^#/ { print; next; }

{
    if ($1 < startSec || $1 > endSec) {
	print;
    }
    else {
	nExcluded++;
	printf "# EXCLUDE %s\n", $0;
    }
}


END {
    printf "Excluded %d records from time window %d : %d (%d sec wide)\n", nExcluded, startSec, endSec, endSec-startSec;
}