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| author | Gregory Chamberlain <gregc@posteo.net> | 2020-05-31 20:30:52 +0100 |
|---|---|---|
| committer | Gregory Chamberlain <gregc@posteo.net> | 2020-05-31 20:59:32 +0100 |
| commit | 63aef514d7b6e0793c01989a58eb0529d56052d9 (patch) | |
| tree | 218607166e6b8ddf0c453185c8397626e93ce1d4 | |
| parent | 16874b6716a2f040077cac61b08cf3b21ec74fc6 (diff) | |
| download | eibhear-63aef514d7b6e0793c01989a58eb0529d56052d9.tar.gz eibhear-63aef514d7b6e0793c01989a58eb0529d56052d9.tar.zst eibhear-63aef514d7b6e0793c01989a58eb0529d56052d9.zip | |
Refactor nettraf
No longer relies on paste(1p).
| -rwxr-xr-x | .local/bin/statusbar/nettraf | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/.local/bin/statusbar/nettraf b/.local/bin/statusbar/nettraf index 6972b7e..42da6d0 100755 --- a/.local/bin/statusbar/nettraf +++ b/.local/bin/statusbar/nettraf @@ -10,13 +10,19 @@ case $BLOCK_BUTTON in 6) "$TERMINAL" -e "$EDITOR" "$0" ;; esac -logfile=${XDG_CACHE_HOME:-$HOME/.cache}/netlog -[ -f "$logfile" ] || echo "0 0" > "$logfile" -read -r rxprev txprev < "$logfile" +update() { + sum=0 + for arg; do + read -r i < "$arg" + sum=$(( "$sum" + "$i" )) + done + cache=${XDG_CACHE_HOME:-$HOME/.cache}/${1##*/} + [ -f "$cache" ] && read -r old < "$cache" || old=0 + printf %d\\n "$sum" > "$cache" + printf %d\\n $(( ("$sum" - "$old") / 1024 )) +} -rxcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/rx_bytes))) -txcurrent=$(($(paste -d '+' /sys/class/net/[ew]*/statistics/tx_bytes))) +rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes) +tx=$(update /sys/class/net/[ew]*/statistics/tx_bytes) -printf "🔻%dKiB 🔺%dKiB\\n" "$(((rxcurrent-rxprev)/1024))" "$(((txcurrent-txprev)/1024))" - -echo "$rxcurrent $txcurrent" > "$logfile" +printf "🔻%dKiB 🔺%dKiB\\n" "$rx" "$tx" |