41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			41 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/bin/sh
 | 
						|
 | 
						|
# Prints all batteries, their percentage remaining and an emoji corresponding
 | 
						|
# to charge status (🔌 for plugged up, 🔋 for discharging on battery, etc.).
 | 
						|
 | 
						|
case $BLOCK_BUTTON in
 | 
						|
    3) notify-send "🔋 Battery module" "🔋: discharging
 | 
						|
🛑: not charging
 | 
						|
🔄;: stagnant charge
 | 
						|
🔌: charging
 | 
						|
⚡: charged
 | 
						|
❗: battery very low!" ;;
 | 
						|
esac
 | 
						|
 | 
						|
# Loop through all attached batteries.
 | 
						|
for battery in /sys/class/power_supply/BAT?
 | 
						|
do
 | 
						|
	# Get its remaining capacity and charge status.
 | 
						|
	capacity=$(cat "$battery"/capacity 2>/dev/null)
 | 
						|
	if [ -n "$capacity" ]; then
 | 
						|
		#do not print misreads
 | 
						|
		[ "$capacity" -gt 100 ] &&
 | 
						|
			echo "Error. Capacity:$capacity" > /dev/stderr &&
 | 
						|
			continue
 | 
						|
		# do not display full batteries (nice to unclutter status bars for laptops mostly used stationiary)
 | 
						|
		[ "$capacity" -eq 100 ] &&
 | 
						|
			printf '\n' &&
 | 
						|
			continue
 | 
						|
 | 
						|
		status=$(sed "s/Discharging/🔋/;s/Not charging/🛑/;s/Charging/🔌/;s/Unknown/🔋/;s/Full/⚡/" "$battery"/status)
 | 
						|
		# If it is discharging and 25% or less, we will add a ❗ as a warning.
 | 
						|
		[ "$capacity" -le 25 ] &&
 | 
						|
			[ "$status" = "🔋" ] &&
 | 
						|
			warn="❗"
 | 
						|
		printf "%s%s%s%%\n" "$status" "$warn" "$capacity"
 | 
						|
		unset warn
 | 
						|
	else
 | 
						|
		echo "Error. Capacity:$capacity" > /dev/stderr #if battery fails during reading, quit
 | 
						|
	fi
 | 
						|
done | sed 's/ *$//'
 |