1 #!/bin/bash
  2 NETCHK=`netstat -i -b | sed -n -e '1p' -e '/en0/p' | sed -n -e '2p'`
  3 sleep 1
  4 NETCHK2=`netstat -i -b | sed -n -e '1p' -e '/en0/p' | sed -n -e '2p'`
  5
  6 RX_BYTE=`echo ${NETCHK} | sed -e 's/  */ /g' | cut -d ' ' -f 7`
  7 TX_BYTE=`echo ${NETCHK} | sed -e 's/  */ /g' | cut -d ' ' -f 10`
  8 RX_BYTE2=`echo ${NETCHK2} | sed -e 's/  */ /g' | cut -d ' ' -f 7`
  9 TX_BYTE2=`echo ${NETCHK2} | sed -e 's/  */ /g' | cut -d ' ' -f 10`
 10
 11 let "RX_GIGABYTE = $RX_BYTE / 1024 / 1024 / 1024"
 12 let "TX_GIGABYTE = $TX_BYTE / 1024 / 1024 / 1024"
 13
 14 echo "Total RX : "${RX_GIGABYTE}" GB"
 15 echo "Total TX : "${TX_GIGABYTE}" GB"
 16
 17 UPTIME=`uptime | sed -e 's/  */ /g'`
 18 CHK=`echo ${UPTIME} | grep day`
 19 if [ "${CHK}" == "" ];then
 20     UPTIME_DAY="0";
 21     UPTIME_HOUR=`echo ${UPTIME} | cut -d ' ' -f 3 | sed -e 's/,//g' | cut -d     ':' -f 1`
 22     UPTIME_MIN=`echo ${UPTIME} | cut -d ' ' -f 3 | sed -e 's/,//g' | cut -d     ':' -f 2`
 23 else
 24     UPTIME_DAY=`echo ${UPTIME} | cut -d ' ' -f 3 | sed -e 's/day//g'`
 25     UPTIME_HOUR=`echo ${UPTIME} | cut -d ' ' -f 5 | sed -e 's/,//g' | cut -d     ':' -f 1`
 26     UPTIME_MIN=`echo ${UPTIME} | cut -d ' ' -f 5 | sed -e 's/,//g' | cut -d     ':' -f 2`
 27 fi
 28
 29 if [ "${UPTIME_MIN}" -lt "10" ];then
 30     UPTIME_MIN=`echo ${UPTIME_MIN} | cut -b 2-`
 31 fi
 32
 33 #echo "DAY : $UPTIME_DAY"
 34 #echo "HOUR : $UPTIME_HOUR"
 35 #echo "MIN : $UPTIME_MIN"
 36
 37 let "UPTIME_SEC = ($UPTIME_DAY * 24 * 60 * 60) + ($UPTIME_HOUR * 60 * 60) +     ($UPTIME_MIN * 60)"
 38 echo "Uptime = ${UPTIME_DAY} days, ${UPTIME_HOUR} hours, ${UPTIME_MIN} minut    es = ${UPTIME_SEC} seconds"
 39
 40 let "AVG_RX_BYTE_PER_SEC = $RX_BYTE / $UPTIME_SEC"
 41 let "AVG_TX_BYTE_PER_SEC = $TX_BYTE / $UPTIME_SEC"
 42 let "AVG_RX_KBYTE_PER_SEC = $AVG_RX_BYTE_PER_SEC / 1024"
 43 let "AVG_TX_KBYTE_PER_SEC = $AVG_TX_BYTE_PER_SEC / 1024"
 44
 45 let "CUR_RX_BYTE_PER_SEC = ${RX_BYTE2} - ${RX_BYTE}"
 46 let "CUR_TX_BYTE_PER_SEC = ${TX_BYTE2} - ${TX_BYTE}"
 47 let "CUR_RX_KBYTE_PER_SEC = $CUR_RX_BYTE_PER_SEC / 1024"
 48 let "CUR_TX_KBYTE_PER_SEC = $CUR_TX_BYTE_PER_SEC / 1024"
 49
 50 echo " "
 51 echo "      =============================="
 52 echo "              Network Traffic "
 53 echo "      =============================="
 54 echo " "
 55 echo "   Average RxData Rate : "$AVG_RX_BYTE_PER_SEC" byte/sec ( = "$AVG_RX_    KBYTE_PER_SEC" KB/sec )"
 56 echo "   Average TxData Rate : "$AVG_TX_BYTE_PER_SEC" byte/sec ( = "$AVG_TX_    KBYTE_PER_SEC" KB/sec )"
 57 echo " "
 58 echo "   Current RxData Rate : "$CUR_RX_BYTE_PER_SEC" byte/sec ( = "$CUR_RX_    KBYTE_PER_SEC" KB/sec )"
 59 echo "   Current TxData Rate : "$CUR_TX_BYTE_PER_SEC" byte/sec ( = "$CUR_TX_    KBYTE_PER_SEC" KB/sec )"
 60 echo " "
 61