dotfiles-mirror/local/bin/sb-battery
2025-09-30 14:00:07 +03:30

35 lines
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Executable file

#!/usr/bin/env bash
batteries=(/sys/class/power_supply/BAT*)
# Check if any battery directories exist
found=false
for b in "${batteries[@]}"; do
if [ -d "$b" ]; then
found=true
break
fi
done
if [ "$found" = false ]; then
echo "None"
exit 1
fi
first=true
for battery in /sys/class/power_supply/BAT*; do
if [ -d "$battery" ]; then
if [ -r "$battery/capacity" ]; then
capacity=$(<"$battery/capacity")
else
capacity=0
fi
if [ "$first" = true ]; then
echo -n "${capacity}%"
first=false
else
echo -n " ${capacity}%"
fi
fi
done
echo