19 lines
523 B
Plaintext
19 lines
523 B
Plaintext
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#!/bin/bash
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icon="龍"
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iface="enp4s0"
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up=""
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down=""
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R1="$(cat /sys/class/net/$iface/statistics/rx_bytes)"
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T1="$(cat /sys/class/net/$iface/statistics/tx_bytes)"
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sleep 1
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R2="$(cat /sys/class/net/$iface/statistics/rx_bytes)"
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T2="$(cat /sys/class/net/$iface/statistics/tx_bytes)"
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TBPS="$(expr $T2 - $T1)"
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RBPS="$(expr $R2 - $R1)"
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TKBPS="$(expr $TBPS / 1024)"
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RKBPS="$(expr $RBPS / 1024)"
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printf " %s %s %skB/s %s %skB/s \\n" "$icon" "$up" "$TKBPS" "$down" "$RKBPS"
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#echo "tx $iface: $TKBPS kB/s rx $iface: $RKBPS kB/s"
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