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- IF=eth0
- if [ ! -z $1 ]; then IF=$1; fi
- D=$(grep $IF /proc/net/dev)
- RX=$(echo $D | awk '{print $2}')
- TX=$(echo $D | awk '{print $10}')
- if [ "$2" != "" -a "$3" != "" ]; then
- RXD=$(($RX-$2))
- TXD=$(($TX-$3))
- RXDK=$(echo "scale=2;$RXD/1024" | bc )" Kb/s"
- TXDK=$(echo "scale=2;$TXD/1024" | bc )" Kb/s"
- echo -ne "D: $RXDK | U: $TXDK \r"
- fi;
- sleep 1;
- $0 $IF $RX $TX
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