tmux-kanagawa/scripts/network_bandwidth.sh

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1.8 KiB
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Executable file

#!/usr/bin/env bash
INTERVAL="1" # update interval in seconds
network_name=$(tmux show-option -gqv "@dracula-network-bandwidth")
main() {
while true
do
output_download=""
output_upload=""
output_download_unit=""
output_upload_unit=""
initial_download=$(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)
if [ $total_download_bps -gt 1073741824 ]; then
output_download=$(echo "$total_download_bps 1024" | awk '{printf "%.2f \n", $1/($2 * $2 * $2)}')
output_download_unit="gB/s"
elif [ $total_download_bps -gt 1048576 ]; then
output_download=$(echo "$total_download_bps 1024" | awk '{printf "%.2f \n", $1/($2 * $2)}')
output_download_unit="mB/s"
else
output_download=$(echo "$total_download_bps 1024" | awk '{printf "%.2f \n", $1/$2}')
output_download_unit="kB/s"
fi
if [ $total_upload_bps -gt 1073741824 ]; then
output_upload=$(echo "$total_download_bps 1024" | awk '{printf "%.2f \n", $1/($2 * $2 * $2)}')
output_upload_unit="gB/s"
elif [ $total_upload_bps -gt 1048576 ]; then
output_upload=$(echo "$total_upload_bps 1024" | awk '{printf "%.2f \n", $1/($2 * $2)}')
output_upload_unit="mB/s"
else
output_upload=$(echo "$total_upload_bps 1024" | awk '{printf "%.2f \n", $1/$2}')
output_upload_unit="kB/s"
fi
echo "$output_download $output_download_unit • ↑ $output_upload $output_upload_unit"
done
}
main