Linux bash 查詢網路卡網路速度

netspeed.sh 內容

 

#!/bin/sh

ns(){
A=$(grep $1 /proc/net/dev | while read a1 r1 c c c c c c c s1 c;do echo $r1-$s1; done;)
sleep 1;
B=$(grep $1  /proc/net/dev | while read a1 r1 c c c c c c c s1 c;do echo $r1-$s1; done;)

echo Receive:  $(( ${B%-*} - ${A%-*} ));
echo Transmit: $(( ${B#*-} - ${A#*-} ));
};

[ -z "$1" ]&&exit 1||ns $1;

使用方法

sh netspeed.sh eth0