battery_nag, simplify the acceleration and allow it to be turned off.

files/scripts/battery_nag.sh

@@ -41,7 +41,21 @@ if [[ -n "$2" ]]; then
 	echo "to '$sleep'"
 fi
 
-echo "`date` - Alerting every ${sleep} seconds when under ${alert}%."
+accelerate="Y"
+if [[ -n "$3" ]]; then
+	echo -n "accelerate changed from '$accelerate' "
+	accelerate="$3"
+	echo "to '$accelerate'"
+fi
+
+echo "Alerting when under ${alert}%."
+echo "Notifying every ${sleep} seconds."
+if [[ "$accelerate" == "Y" ]]; then
+	echo -n "Speeding up notifications as % gets lower."
+else
+	echo -n "Notifcations staying persistent."
+fi
+echo " (accelerate == $accelerate)"
 
 echo "`date` - Starting Loop"
 
@@ -51,12 +65,13 @@ while true; do
 	batt=${batt//%/}
 
 	if (( batt <= alert )); then
-		title="Battery is below ${alert}%!"
-		message="Currently at ${batt}%."
+		title="Battery is below ${alert}%"
+		message="Currently at ${batt}%"
 		cmd="`which fyi 2>/dev/null || which notify-send 2>/dev/null`"
 		if [[ -z "$cmd" ]]; then
 			echo "ERROR: No command found to send notification, exiting."
 			echo "Please install 'fyi' or 'notify-send' to use this script."
+			echo "If not using a DE, also ensure 'dunst' or similar is running."
 			exit 3
 		fi
 
@@ -74,22 +89,18 @@ while true; do
 	fi
 
 	time=$sleep
-	if (( batt <= 2 )); then
-		echo "Battery under 2, 16x speed."
-		time=$(( sleep / 16 ))
-	elif (( batt <= 5 )); then
-		echo "Battery under 5, 8x speed."
-		time=$(( sleep / 8 ))
-	elif (( batt <= 8 )); then
-		echo "Battery under 8, 4x speed."
-		time=$(( sleep / 4 ))
-	elif (( batt <= 10 )); then
-		echo "Battery under 10, 2x speed."
-		time=$(( sleep / 2 ))
+	if [[ "$accelerate" == "Y" ]]; then
+		if (( batt > 0 )); then
+			time=$(( time / (alert / batt) ))
+		else
+			time=10
+		fi
 	fi
+	# Showing a notification every 10 seconds makes it persistent.
+	# Any more than that casues multiple to stack which is unnecessary.
 	if (( time < 10 )); then
 		time=10
 	fi
-	echo "`date` - Sleeping for ${time}"
+	echo "`date` - Sleeping for ${time}."
 	sleep $time
 done