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#!/usr/bin/env bash
############ Variables ############
enable_battery=false
battery_charging=false
####### Check availability ########
for battery in /sys/class/power_supply/*BAT*; do
if [[ -f "$battery/uevent" ]]; then
enable_battery=true
if [[ $(cat /sys/class/power_supply/*/status | head -1) == "Charging" ]]; then
battery_charging=true
fi
break
fi
done
############# Output #############
if [[ $enable_battery == true ]]; then
if [[ $battery_charging == true ]]; then
echo -n "(+) "
fi
echo -n "$(cat /sys/class/power_supply/*/capacity | head -1)"%
if [[ $battery_charging == false ]]; then
echo -n " remaining"
fi
fi
echo ''
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