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Fix arithmetic expansions

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This commit is contained in:
Gregory Chamberlain 2020-05-31 21:26:05 +01:00
parent 63aef514d7
commit 43f0f899ae
1 changed files with 2 additions and 2 deletions
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4
.local/bin/statusbar/nettraf
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@ -14,12 +14,12 @@ update() {
sum=0 sum=0
for arg; do for arg; do
read -r i < "$arg" read -r i < "$arg"
sum=$(( "$sum" + "$i" )) sum=$(( $sum + $i ))
done done
cache=${XDG_CACHE_HOME:-$HOME/.cache}/${1##*/} cache=${XDG_CACHE_HOME:-$HOME/.cache}/${1##*/}
[ -f "$cache" ] && read -r old < "$cache" || old=0 [ -f "$cache" ] && read -r old < "$cache" || old=0
printf %d\\n "$sum" > "$cache" printf %d\\n "$sum" > "$cache"
printf %d\\n $(( ("$sum" - "$old") / 1024 )) printf %d\\n $(( ($sum - $old) / 1024 ))
} }
rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes) rx=$(update /sys/class/net/[ew]*/statistics/rx_bytes)