From df0ea6a174df3d930b162e28250d7617e63b37ba Mon Sep 17 00:00:00 2001
From: Alexander Bocken <alexander@bocken.org>
Date: Fri, 16 Jul 2021 18:56:20 +0200
Subject: [PATCH] tidied up battery

---
 .local/bin/statusbar/battery | 28 ++++++++++++++++++++--------
 1 file changed, 20 insertions(+), 8 deletions(-)

diff --git a/.local/bin/statusbar/battery b/.local/bin/statusbar/battery
index 8279ae2..2ca8219 100755
--- a/.local/bin/statusbar/battery
+++ b/.local/bin/statusbar/battery
@@ -17,12 +17,24 @@ for battery in /sys/class/power_supply/BAT?
 do
 	# Get its remaining capacity and charge status.
 	capacity=$(cat "$battery"/capacity 2>/dev/null)
-	[ -n "$capacity" ] && [ "$capacity" -gt 100 ] && echo "Error. Capacity:$capacity" > /dev/stderr && continue 	#do not print misreads
-	[ -z "$capacity" ] && echo "Error. Capacity:$capacity" > /dev/stderr && continue 		#if battery fails during reading, quit
-	[ -n "$capacity" ] && [ "$capacity" -eq 100 ] && echo && continue # do not display full batteries (nice to unclutter status bars for laptops mostly used stationiary)
-	status=$(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
+	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/ *$//'