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49 lines
1.3 KiB
Bash
Executable File
49 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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# Ethernet interface (replace with your interface name, e.g., enp6s0)
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interface="enp6s0"
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# Paths to RX (received) and TX (transmitted) bytes
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rx_path="/sys/class/net/$interface/statistics/rx_bytes"
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tx_path="/sys/class/net/$interface/statistics/tx_bytes"
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# Read the current RX and TX bytes
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rx_now=$(cat $rx_path)
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tx_now=$(cat $tx_path)
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# Read the last recorded RX and TX bytes from a temp file
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state_file="/tmp/network_monitor_$interface"
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if [ -f "$state_file" ]; then
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read last_rx last_tx last_time < "$state_file"
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else
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last_rx=$rx_now
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last_tx=$tx_now
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last_time=$(date +%s)
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fi
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# Save current RX and TX bytes for the next check
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current_time=$(date +%s)
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echo "$rx_now $tx_now $current_time" > "$state_file"
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# Calculate time difference
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time_diff=$((current_time - last_time))
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# Calculate download and upload speeds in bytes per second
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if (( time_diff > 0 )); then
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rx_rate=$(( (rx_now - last_rx) / time_diff ))
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tx_rate=$(( (tx_now - last_tx) / time_diff ))
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else
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rx_rate=0
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tx_rate=0
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fi
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# Convert to human-readable format (KB/s or MB/s) with consistent width
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rx_human=$(numfmt --to=iec --suffix=B/s --format="%7.1f" $rx_rate)
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tx_human=$(numfmt --to=iec --suffix=B/s --format="%7.1f" $tx_rate)
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# Output the data with consistent padding
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printf " DL: %-10s UL: %-10s\n" "$rx_human" "$tx_human"
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echo
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echo "#50FA7B"
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