分类: LINUX
2008-08-22 02:42:21
#! /bin/bash
typeset in in_old dif_in dif_in1 dif_out1
typeset out out_old dif_out
in_old=$(cat /proc/net/dev | grep eth1 | sed 's=^.*:==' | awk '{ print $1 }' )
out_old=$(cat /proc/net/dev | grep eth1 | sed 's=^.*:==' | awk '{ print $9 }')
while true
do
sleep 5
in=$(cat /proc/net/dev | grep eth1 | sed 's=^.*:==' | awk '{ print $1 }')
out=$(cat /proc/net/dev | grep eth1 | sed 's=^.*:==' | awk '{ print $9 }')
dif_in=$((in-in_old))
dif_in1=$((dif_in * 8 / 1024 / 1024 ))%