Created
December 16, 2018 18:08
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| #!/bin/bash | |
| IF=$1 | |
| if [ -z "$IF" ]; then | |
| IF=`ls -1 /sys/class/net/ | head -1` | |
| fi | |
| RXPREV=-1 | |
| TXPREV=-1 | |
| echo "Listening $IF..." | |
| while [ 1 == 1 ] ; do | |
| RX=`cat /sys/class/net/${IF}/statistics/rx_bytes` | |
| TX=`cat /sys/class/net/${IF}/statistics/tx_bytes` | |
| if [ $RXPREV -ne -1 ] ; then | |
| let BWRX=$RX-$RXPREV | |
| let BWTX=$TX-$TXPREV | |
| echo "Received: $BWRX B/s Sent: $BWTX B/s" | |
| fi | |
| RXPREV=$RX | |
| TXPREV=$TX | |
| sleep 1 | |
| done |
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