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Change from backticks to $() as command substitution

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This commit is contained in:
Rodrigo Nascimento 2021-05-02 19:29:23 -03:00
parent 4616ee9ebe
commit 2b5906140f
1 changed files with 6 additions and 6 deletions
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12
scripts/network_bandwith.sh
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@ -7,16 +7,16 @@ network_name=$(tmux show-option -gqv "@dracula-network-bandwith")
main() { main() {
while true while true
do do
initial_download=`cat /sys/class/net/$network_name/statistics/rx_bytes` initial_download=$(cat /sys/class/net/$network_name/statistics/rx_bytes)
initial_upload=`cat /sys/class/net/$network_name/statistics/tx_bytes` initial_upload=$(cat /sys/class/net/$network_name/statistics/tx_bytes)
sleep $INTERVAL sleep $INTERVAL
final_download=`cat /sys/class/net/$network_name/statistics/rx_bytes` final_download=$(cat /sys/class/net/$network_name/statistics/rx_bytes)
final_upload=`cat /sys/class/net/$network_name/statistics/tx_bytes` final_upload=$(cat /sys/class/net/$network_name/statistics/tx_bytes)
total_download_bps=`expr $final_download - $initial_download` total_download_bps=$(expr $final_download - $initial_download)
total_upload_bps=`expr $final_upload - $initial_upload` total_upload_bps=$(expr $final_upload - $initial_upload)
total_download_kbps=$(echo "scale=2; $total_download_bps / 1024" | bc) total_download_kbps=$(echo "scale=2; $total_download_bps / 1024" | bc)
total_upload_kbps=$(echo "scale=2; $total_upload_bps / 1024" | bc) total_upload_kbps=$(echo "scale=2; $total_upload_bps / 1024" | bc)