From 1379747a1756f613584ab804c3332e1e42d245bb Mon Sep 17 00:00:00 2001 From: Luke Smith Date: Fri, 29 May 2020 16:03:19 -0400 Subject: [PATCH] minimize file writes and use built-in arithmatic --- .local/bin/statusbar/nettraf | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/.local/bin/statusbar/nettraf b/.local/bin/statusbar/nettraf index 3c41dfc..9a81ad2 100755 --- a/.local/bin/statusbar/nettraf +++ b/.local/bin/statusbar/nettraf @@ -10,16 +10,14 @@ case "$BLOCK_BUTTON" in 6) "$TERMINAL" -e "$EDITOR" "$0" ;; esac -rxfile="${XDG_CACHE_HOME:-$HOME/.cache}/rxlog" -txfile="${XDG_CACHE_HOME:-$HOME/.cache}/txlog" +logfile="${XDG_CACHE_HOME:-$HOME/.cache}/netlog" +prevdata="$(cat "$logfile")" -rxcurrent="$(cat /sys/class/net/*/statistics/rx_bytes | paste -sd '+' | bc)" -txcurrent="$(cat /sys/class/net/*/statistics/tx_bytes | paste -sd '+' | bc)" +rxcurrent="$(($(cat /sys/class/net/*/statistics/rx_bytes | paste -sd '+')))" +txcurrent="$(($(cat /sys/class/net/*/statistics/tx_bytes | paste -sd '+')))" printf "🔻%sKiB 🔺%sKiB\\n" \ - "$(printf -- "(%s-%s)/1024\\n" "$rxcurrent" "$(cat "$rxfile")" | bc)" \ - "$(printf -- "(%s-%s)/1024\\n" "$txcurrent" "$(cat "$txfile")" | bc)" + "$(((rxcurrent-${prevdata%% *})/1024))" \ + "$(((txcurrent-${prevdata##* })/1024))" -# Log the current values for next run. -echo "$rxcurrent" > "$rxfile" -echo "$txcurrent" > "$txfile" +echo "$rxcurrent $txcurrent" > "$logfile"