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