AWK paring program --- getRatio.awk

BEGIN {

        sendLine = 0;

        recvLine = 0;

        fowardLine = 0;

}

$0 ~/^s.* AGT/ {

        sendLine ++ ;

}

$0 ~/^r.* AGT/ {

        recvLine ++ ;

}

$0 ~/^f.* RTR/ {

        fowardLine ++ ;

}

END {

        printf "cbr s:%d r:%d, r/s Ratio:%.4f, f:%d \n", sendLine, recvLine, (recvLine/sendLine),fowardLine;

}