display.sh

Linux Shell 编程

#!/bin/sh
nn=1
echo "**************************************************************"
date
while true
do
echo $nn
cat /proc/net/dev >/tmp/total
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $2}' >/tmp/abc
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $1}' >/tmp/pkt
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $4}' >/tmp/cba
from0=`cat /tmp/abc`
drop0=`cat /tmp/cba`
bytes0=`cat /tmp/pkt`
sleep 10
cat /proc/net/dev >/tmp/total
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $2}' >/tmp/abc
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $1}' >/tmp/pkt
cat /tmp/total |grep "eth1"|awk -F \: '{print $2}'|awk '{print $4}' >/tmp/cba
fromto0=`cat /tmp/abc`
dropto0=`cat /tmp/cba`
bytesto0=`cat /tmp/pkt`

echo "Recv:eth1---$[$[$fromto0-$from0]/10] packets/sec---$[$[$[$bytesto0-$bytes0]/10]*8] bits/sec"
echo "Drop:eth1---$[$[$dropto0-$drop0]/10] packets/sec"

echo "-------------------------------------------"
let nn=nn+1
done