tmux-kanagawa/scripts/network_bandwith.sh

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#!/bin/bash
INTERVAL="1" # update interval in seconds
network_name=$(tmux show-option -gqv "@dracula-network-bandwith")
main() {
while true
do
initial_download=`cat /sys/class/net/$network_name/statistics/rx_bytes`
initial_upload=`cat /sys/class/net/$network_name/statistics/tx_bytes`
sleep $INTERVAL
final_download=`cat /sys/class/net/$network_name/statistics/rx_bytes`
final_upload=`cat /sys/class/net/$network_name/statistics/tx_bytes`
total_download_bps=`expr $final_download - $initial_download`
total_upload_bps=`expr $final_upload - $initial_upload`
total_download_kbps=$(echo "scale=2; $total_download_bps / 1024" | bc)
total_upload_kbps=$(echo "scale=2; $total_upload_bps / 1024" | bc)
echo "$total_upload_kbps kB/s • ↓ $total_download_kbps kB/s"
done
}
main