107 lines
2.3 KiB
Bash
Executable File
107 lines
2.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# 20260819 - Hyperling
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# Alert the user every so often once the battery is low.
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echo "`date` - Checking Active Programs"
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PID="$$"
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ps -ef | grep battery_nag.sh | grep -v $$ | grep -v grep
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active=`ps -ef | grep battery_nag.sh | grep -v $$ | grep -vc grep`
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if (( "$active" >= 1 )); then
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echo "Program already running, exiting. Number of processes: $active"
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exit 1
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fi
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echo "`date` - Loading Functions"
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which battery.function || {
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echo "ERROR: Battery function not found, exiting."
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exit 2
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}
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source battery.function
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echo "`date` - Parsing Parameters"
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typeset -i alert sleep
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# Default to 20%.
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alert=20
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if [[ -n "$1" ]]; then
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echo -n "alert changed from '$alert' "
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alert="$1"
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echo "to '$alert'"
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fi
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# Default to 5 minutes.
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sleep=300
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if [[ -n "$2" ]]; then
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echo -n "sleep changed from '$sleep' "
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sleep="$2"
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echo "to '$sleep'"
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fi
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accelerate="Y"
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if [[ -n "$3" ]]; then
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echo -n "accelerate changed from '$accelerate' "
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accelerate="$3"
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echo "to '$accelerate'"
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fi
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echo "Alerting when under ${alert}%."
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echo "Notifying every ${sleep} seconds."
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if [[ "$accelerate" == "Y" ]]; then
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echo -n "Speeding up notifications as % gets lower."
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else
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echo -n "Notifcations staying persistent."
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fi
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echo " (accelerate == $accelerate)"
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echo "`date` - Starting Loop"
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while true; do
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batt=`battery-display`
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batt=${batt//%/}
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if (( batt <= alert )); then
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title="Battery is below ${alert}%"
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message="Currently at ${batt}%"
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cmd="`which fyi 2>/dev/null || which notify-send 2>/dev/null`"
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if [[ -z "$cmd" ]]; then
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echo "ERROR: No command found to send notification, exiting."
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echo "Please install 'fyi' or 'notify-send' to use this script."
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echo "If not using a DE, also ensure 'dunst' or similar is running."
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exit 3
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fi
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$cmd "$title" "$message"
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status="$?"
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if [[ "$status" == 0 ]]; then
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echo -n "`date` - Success! "
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else
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echo -n "`date` - ERROR: "
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fi
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echo "Nag returned status ${status}."
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else
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echo "`date` - Battery at ${batt}%, did not nag."
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fi
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time=$sleep
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if [[ "$accelerate" == "Y" ]]; then
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if (( batt > 0 )); then
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time=$(( time / (alert / batt) ))
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else
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time=10
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fi
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fi
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# Showing a notification every 10 seconds makes it persistent.
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# Any more than that casues multiple to stack which is unnecessary.
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if (( time < 10 )); then
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time=10
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fi
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echo "`date` - Sleeping for ${time}."
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sleep $time
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done
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