Fedora 17 终端查看实时网速 rate

Fedora 17 终端查看实时网速 rate ：#！/bin/sh
#rate -t #实时显示
#rate #显示一次
#网卡名需要自定义
#僅適合Fedora 17

#HL_START="33[37;40;1m"
HL_START="33[31;42;1m"
HL_END="33[0m"
DEV_NAME="wlan0"
#DEV_NAME="p5p1"

function disp_usage（）
{
printf "usage : $1 [DEV_NAME] [ TIMES | -t ] "
printf " DEV_NAME the name of the network device, default: eth0 "
printf " TIMES the times of counts, default: 1 "
printf " -t counting until break "

}

if [ $# -eq 0 ]
then
TOTAL_TIME=1
elif [ $1 == "-h" ]
then
disp_usage $0
exit 0
elif [ $1 == "--help" ]
then
disp_usage $0
exit 0
elif [ $1 == "-t" ]
then
TOTAL_TIME=65535
elif [ $# -eq 1 ]
then
DEV_NAME=$1
TOTAL_TIME=1
elif [ $2 == "-t" ]
then
DEV_NAME=$1
TOTAL_TIME=65535
else
DEV_NAME=$1
TOTAL_TIME=$2
fi

echo "the Rate of Network, by dorainm, dora...@gmail.com"
echo "-----------------------------------------------------"
echo "DEV_NAME is $DEV_NAME"

count=0
while [ $count -lt $TOTAL_TIME ]
do
#
#RX_FIRST=$（/sbin/ifconfig $DEV_NAME | awk "/RX bytes/{print $2}" | awk -F: "{print $2}"）
#TX_FIRST=$（/sbin/ifconfig $DEV_NAME | awk "/RX bytes/{print $6}" | awk -F: "{print $2}"）
# echo "FIRST = $FIRST"
#sleep 1
#RX_SECOND=$（/sbin/ifconfig $DEV_NAME | awk "/RX bytes/{print $2}" | awk -F: "{print $2}"）
#TX_SECOND=$（/sbin/ifconfig $DEV_NAME | awk "/RX bytes/{print $6}" | awk -F: "{print $2}"）
# echo "SECOND = $SECOND"

#net-tools 1.60
#ifconfig 1.42 （2001-04-13）
RX_FIRST=$（/sbin/ifconfig $DEV_NAME | awk "/RX packets/{print $5}"）
TX_FIRST=$（/sbin/ifconfig $DEV_NAME | awk "/TX packets/{print $5}"）
# echo "FIRST = $FIRST"
sleep 1
RX_SECOND=$（/sbin/ifconfig $DEV_NAME | awk "/RX packets/{print $5}"）
TX_SECOND=$（/sbin/ifconfig $DEV_NAME | awk "/TX packets/{print $5}"）
# echo "SECOND = $SECOND"
printf "RX_FIRST=$RX_FIRST "
printf "RX_SECOND=$RX_SECOND "
printf "TX_FIRST=$TX_FIRST "
printf "TX_SECOND=$TX_SECOND "
（（RX_FIRST=$RX_SECOND-$RX_FIRST））
（（TX_FIRST=$TX_SECOND-$TX_FIRST））

if [ $RX_FIRST -gt 1048576 ]
then
RX_FIRST=$（echo "scale=3; $RX_FIRST / 1048576" | bc -l）
printf "RX Rate = $HL_START%.3F$HL_END MB/S " $RX_FIRST
elif [ $RX_FIRST -gt 1024 ]
then
RX_FIRST=$（echo "scale=3; $RX_FIRST / 1024" | bc -l）
# （（RX_FIRST=（$RX_FIRST/1024）））
printf "RX Rate = $HL_START%.3F$HL_END KB/S " $RX_FIRST
else
printf "RX Rate = $HL_START$RX_FIRST$HL_END B/S "
fi

if [ $RX_SECOND -gt 1048576 ]
then
RX_SECOND=$（echo "scale=3; $RX_SECOND / 1048576" | bc -l）
printf "Totle Bytes : $HL_START$RX_SECOND$HL_END MB "
elif [ $RX_SECOND -gt 1024 ]
then
RX_SECOND=$（echo "scale=3; $RX_SECOND / 1024" | bc -l）
printf "Totle Bytes : $HL_START$RX_SECOND$HL_END KB "
else
printf "Totle Bytes : $HL_START$RX_SECOND$HL_END B "
fi

if [ $TX_FIRST -gt 1048576 ]
then
TX_FIRST=$（echo "scale=3; $TX_FIRST / 1048576" | bc -l）
printf "TX Rate = $HL_START%.3F$HL_END MB/S " $TX_FIRST
elif [ $TX_FIRST -gt 1024 ]
then
TX_FIRST=$（echo "scale=3; $TX_FIRST / 1024" | bc -l）
printf "TX Rate = $HL_START%.3F$HL_END KB/S " $TX_FIRST
else
printf "TX Rate = $HL_START$TX_FIRST$HL_END B/S "
fi

if [ $TX_SECOND -gt 1048576 ]
then
TX_SECOND=$（echo "scale=3; $TX_SECOND / 1048576" | bc -l）
printf "Totle Bytes : $HL_START$TX_SECOND$HL_END MB "
elif [ $TX_SECOND -gt 1024 ]
then
TX_SECOND=$（echo "scale=3; $TX_SECOND / 1024" | bc -l）
printf "Totle Bytes : $HL_START$TX_SECOND$HL_END KB "
else
printf "Totle Bytes : $HL_START$TX_SECOND$HL_END B "
fi

（（count=$count+1））
echo "-----------------------------------------------------"
done

echo "All Done" 更多Fedora相关信息见Fedora 专题页面 http://www.linuxidc.com/topicnews.aspx？tid=5Fedora 17升级后grub2菜单无Fedora选项让Vim支持在终端剪贴板共享相关资讯 Fedora 17

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