dwmblock-nettraf (757B)
1 #!/bin/sh 2 3 # Module showing network traffic. Shows how much data has been received (RX) or 4 # transmitted (TX) since the previous time this script ran. So if run every 5 # second, gives network traffic per second. 6 7 case $BUTTON in 8 1) setsid -f "$TERMINAL" -e bmon ;; 9 3) pkill -RTMIN+12 dwmblocks;; 10 6) "$TERMINAL" -e "$EDITOR" "$0" ;; 11 esac 12 13 update() { 14 sum=0 15 for arg; do 16 read -r i < "$arg" 17 sum=$(( sum + i )) 18 done 19 cache=/tmp/${1##*/} 20 [ -f "$cache" ] && read -r old < "$cache" || old=0 21 printf %d\\n "$sum" > "$cache" 22 printf %d\\n $(( sum - old )) 23 } 24 25 rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes) 26 tx=$(update /sys/class/net/[ew]*/statistics/tx_bytes) 27 28 printf "🔻%4sB 🔺%4sB\\n" $(numfmt --to=iec $rx $tx)