#!/bin/bash
#network
while : ; do
time=`date "+%Y-%m-%d %H:%M:%S"`
rx_before=`ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-`
tx_before=`ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-`
sleep 2
rx_after=`ifconfig eth0|sed -n "8"p|awk '{print $2}'|cut -c7-`
tx_after=`ifconfig eth0|sed -n "8"p|awk '{print $6}'|cut -c7-`
rx_result=$[(rx_after-rx_before)/256]
tx_result=$[(tx_after-tx_before)/256]
echo "$time Now_In_Speed: "$rx_result"kbps Now_OUt_Speed: "$tx_result"kbps"
sleep 2
done
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