$ rate --help
usage : /home/dorainm/bin/rate [DEV_NAME] [ TIMES | -t ]


  DEV_NAME    the name of the network device, default: eth0
  TIMES       the times of counts, default: 1
  -t          counting until break
$

$ rate lo
the Rate of Network,   by dorainm, dora...@gmail.com
-----------------------------------------------------
RX Rate = 767 B/S       Totle Bytes : 8.182
TX Rate = 767 B/S       Totle Bytes : 8.182
-----------------------------------------------------
All Done
$

$ rate -t
the Rate of Network,   by dorainm, dora...@gmail.com
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.710 MB
TX Rate = 0 B/S         Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.710 MB
TX Rate = 0 B/S         Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 60 B/S        Totle Bytes : 40.710 MB
TX Rate = 66 B/S        Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 154 B/S       Totle Bytes : 40.710 MB
TX Rate = 146 B/S       Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.710 MB
TX Rate = 0 B/S         Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 71 B/S        Totle Bytes : 40.710 MB
TX Rate = 137 B/S       Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.710 MB
TX Rate = 0 B/S         Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 140 B/S       Totle Bytes : 40.710 MB
TX Rate = 156 B/S       Totle Bytes : 30.908 MB
-----------------------------------------------------
RX Rate = 1.343 KB/S    Totle Bytes : 40.712 MB
TX Rate = 707 B/S       Totle Bytes : 30.909 MB
-----------------------------------------------------
RX Rate = 757 B/S       Totle Bytes : 40.713 MB
TX Rate = 564 B/S       Totle Bytes : 30.910 MB
-----------------------------------------------------
RX Rate = 370 B/S       Totle Bytes : 40.713 MB
TX Rate = 263 B/S       Totle Bytes : 30.910 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.713 MB
TX Rate = 0 B/S         Totle Bytes : 30.910 MB
-----------------------------------------------------
RX Rate = 256 B/S       Totle Bytes : 40.713 MB
TX Rate = 619 B/S       Totle Bytes : 30.910 MB
-----------------------------------------------------
RX Rate = 6.039 KB/S    Totle Bytes : 40.719 MB
TX Rate = 354 B/S       Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.719 MB
TX Rate = 0 B/S         Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 1.470 KB/S    Totle Bytes : 40.720 MB
TX Rate = 210 B/S       Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 66 B/S        Totle Bytes : 40.721 MB
TX Rate = 0 B/S         Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.721 MB
TX Rate = 0 B/S         Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.721 MB
TX Rate = 0 B/S         Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.721 MB
TX Rate = 0 B/S         Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 370 B/S       Totle Bytes : 40.721 MB
TX Rate = 366 B/S       Totle Bytes : 30.911 MB
-----------------------------------------------------
RX Rate = 1.417 KB/S    Totle Bytes : 40.722 MB
TX Rate = 430 B/S       Totle Bytes : 30.912 MB
-----------------------------------------------------
RX Rate = 405 B/S       Totle Bytes : 40.723 MB
TX Rate = 66 B/S        Totle Bytes : 30.918 MB
-----------------------------------------------------
RX Rate = 60 B/S        Totle Bytes : 40.723 MB
TX Rate = 128 B/S       Totle Bytes : 30.918 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.723 MB
TX Rate = 152 B/S       Totle Bytes : 30.919 MB
-----------------------------------------------------
RX Rate = 74 B/S        Totle Bytes : 40.724 MB
TX Rate = 614 B/S       Totle Bytes : 30.919 MB
-----------------------------------------------------
RX Rate = 5.904 KB/S    Totle Bytes : 40.729 MB
TX Rate = 300 B/S       Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 1.535 KB/S    Totle Bytes : 40.731 MB
TX Rate = 210 B/S       Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 140 B/S       Totle Bytes : 40.731 MB
TX Rate = 156 B/S       Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 230 B/S       Totle Bytes : 40.731 MB
TX Rate = 210 B/S       Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.731 MB
TX Rate = 0 B/S         Totle Bytes : 30.920 MB
-----------------------------------------------------
RX Rate = 1.595 KB/S    Totle Bytes : 40.733 MB
TX Rate = 582 B/S       Totle Bytes : 30.921 MB
-----------------------------------------------------
RX Rate = 60.839 KB/S   Totle Bytes : 40.792 MB
TX Rate = 2.443 MB/S    Totle Bytes : 33.364 MB
-----------------------------------------------------
RX Rate = 0 B/S         Totle Bytes : 40.792 MB
TX Rate = 0 B/S         Totle Bytes : 33.364 MB
-----------------------------------------------------
RX Rate = 74 B/S        Totle Bytes : 40.792 MB
TX Rate = 615 B/S       Totle Bytes : 33.365 MB
-----------------------------------------------------
RX Rate = 7.312 KB/S    Totle Bytes : 40.799 MB
TX Rate = 408 B/S       Totle Bytes : 33.365 MB
-----------------------------------------------------
^c
$

#!/bin/bash





HL_START="\033[37;40;1m"

HL_END="\033[0m"

DEV_NAME="eth0"





function disp_usage()

{

        printf "usage : $1 [DEV_NAME] [ TIMES | -t ]\n\n"

        printf "  DEV_NAME    the name of the network device, default: eth0\n"

        printf "  TIMES       the times of counts, default: 1\n"

        printf "  -t          counting until break\n"







}





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, [email]dora...@gmail.com[/email]"

echo "-----------------------------------------------------"





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"

((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\t" $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\t" $RX_FIRST

else

        printf "RX Rate = $HL_START$RX_FIRST$HL_END B/S \t"

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\n"

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\n"

else

    printf "Totle Bytes : $HL_START$RX_SECOND$HL_END B\n"

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\t" $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\t" $TX_FIRST
else
    printf "TX Rate = $HL_START$TX_FIRST$HL_END B/S \t"

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\n"
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\n"
else
    printf "Totle Bytes : $HL_START$TX_SECOND$HL_END B\n"

fi

((count=$count+1))

echo "-----------------------------------------------------"

done





echo "All Done"