Change from backticks to $() as command substitution

This commit is contained in:
Rodrigo Nascimento 2021-05-02 19:29:23 -03:00
parent 4616ee9ebe
commit 2b5906140f

View file

@ -7,16 +7,16 @@ 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/$network_name/statistics/tx_bytes`
initial_download=$(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/$network_name/statistics/tx_bytes`
final_download=$(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 - $initial_upload`
total_download_bps=$(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)