scripts

commit 5300bf8ceecff43628161506d43379e1dc415c19
parent 8446c1e64d390229bdfcba08d725cb1cfa4d5b54
Author: Claudio Alessi <smoppy@gmail.com>
Date:   Sun, 24 Dec 2017 20:11:45 +0100

[dwmstatus] check battery values

Diffstat:
M
src/dwmstatus
 | 
7
+++++--

1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/dwmstatus b/src/dwmstatus
@@ -5,9 +5,12 @@ getbattery() {
 	efull=$(cat /sys/class/power_supply/BAT0/energy_full)
 	vnow=$(cat /sys/class/power_supply/BAT0/voltage_now)
 
-	r=$(echo "($enow * 100 / $vnow) * 100 / ($efull * 100 / $vnow)" |bc)
+	if [ $enow -eq 0 -o $vnow -eq 0 ]; then
+		r=?
+	else
+		r=$(echo "($enow * 100 / $vnow) * 100 / ($efull * 100 / $vnow)" |bc)
+	fi
 	acplugged="$(cat $(du -a /sys/devices |grep 'AC0/online' |awk '{print $2}'))"
-
 	r="${r}%"
 	[ $acplugged -eq 1 ] && r="${r}+" || r="${r}-"
 	echo "$r"