# 初始化設定BEGIN {        sendLine = 0;        recvLine = 0;	fowardLine = 0;}# 應用層收到包$0 ~/^s.* AGT/ {        sendLine ++ ;}# 應用層發送包$0 ~/^r.* AGT/ {        recvLine ++ ;}# 路由層轉發包 $0 ~/^f.* RTR/ {        fowardLine ++ ;}# 最后輸出結果END {        printf "cbr s:%d r:%d, r/s Ratio:%.4f, f:%d \n", sendLine, recvLine, (recvLine/sendLine),fowardLine;}