[펌] 간단한 네트웍 트래픽 측정 스크립트

원본글 : http://blog.daum.net/_blog/BlogTypeView.do?blogid=0PRJH&articleno=1146

ㅎㅎ 유용하내요.. :)

#!/bin/sh 
# 
# Scripted by JoungKyun Kim 
# 2001.2.15 http://www.oops.org 
# This Script follows GPL2 License 

if [ "$1" != "" ]; then 
# ethnet device 
ETH="$1:" 
CHECK=/proc/net/dev 
CAT=/bin/cat 

GREP="/bin/grep ${ETH}" 
SED="sed -e s/${ETH}//" 
UPTIME=/usr/bin/uptime 

# parcket user check 
set `${CAT} ${CHECK} | ${GREP} | ${SED}` 

# Transmit packet 
let "in1 = $1" 
let "out1 = $9" 

echo "측정중입니다. 기다려주세요" 
sleep 10 

set `${CAT} ${CHECK} | ${GREP} | ${SED}` 

let "in0 = $1" 
let "out0 = $9" 

let " in = ($in0 - $in1)/(10*1024)" 
let " out = ($out0 - $out1)/(10*1024)" 
echo "수신(in) $in kbyte/s" 
echo "송신(out) $out kbyte/s" 


else 
echo "USAGE: $0 [ethernet device no]" 
echo "ex) ./$0 eth0" 
fi 

exit 0