mynote/ubuntu/net.sh
2019-04-11 15:43:51 +08:00

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#! /bin/sh
#
# net.sh
# Copyright (C) 2019 light <light@light-laptop>
#
# Distributed under terms of the MIT license.
#
LANG=""
while true
do
up_time1=`ifconfig $1 | grep "bytes" | awk '{print $6}'`
down_time1=`ifconfig $1 | grep "bytes" | awk '{print $2}'`
sleep 1
clear
up_time2=`ifconfig $1 | grep "bytes" | awk '{print $6}'`
down_time2=`ifconfig $1 | grep "bytes" | awk '{print $2}'`
up_time1=${up_time1}
up_time2=${up_time2}
down_time1=${down_time1}
down_time2=${down_time2}
up_time=`expr $up_time2 - $up_time1`
down_time=`expr $down_time2 - $down_time1`
up_time=`expr $up_time / 1024`
down_time=`expr $down_time / 1024`
echo 上传速度: $up_time kb/s
echo 下载速度: $down_time kb/s
done