运行加网关名

  1. #!/bin/bash
  2.  while [ "1" ]
  3.  do
  4.  eth=$1
  5.  RXpre=$(cat /proc/net/dev | grep $eth | tr : " " | awk '{print $2}')
  6.  TXpre=$(cat /proc/net/dev | grep $eth | tr : " " | awk '{print $10}')
  7.  sleep 1
  8.  RXnext=$(cat /proc/net/dev | grep $eth | tr : " " | awk '{print $2}')
  9.  TXnext=$(cat /proc/net/dev | grep $eth | tr : " " | awk '{print $10}')
  10.  clear
  11.  echo -e "t RX `date +%k:%M:%S` TX"
  12.  RX=$((${RXnext}-${RXpre}))
  13.  TX=$((${TXnext}-${TXpre}))
  14.  if [[ $RX -lt 1024 ]];then
  15.  RX="${RX}B/s"
  16.  elif [[ $RX -gt 1048576 ]];then
  17.  RX=$(echo $RX | awk '{print $1/1048576 "MB/s"}')
  18.  else
  19.  RX=$(echo $RX | awk '{print $1/1024 "KB/s"}')
  20.  fi
  21. if [[ $TX -lt 1024 ]];then
  22.  TX="${TX}B/s"
  23.  elif [[ $TX -gt 1048576 ]];then
  24.  TX=$(echo $TX | awk '{print $1/1048576 "MB/s"}')
  25.  else
  26.  TX=$(echo $TX | awk '{print $1/1024 "KB/s"}')
  27.  fi
  28.  echo -e "$eth t $RX $TX "
  29.  done