battmon: A Simple Bash Script for Battery Charge Notifications

battmon.sh

#!/usr/bin/env bash

# ------------------------------------------------------------------
# Script Name:   battmon.sh
# Description:   A Simple Bash Script for Battery Level Charge 
#                Notifications
# Website:       https://gist.github.com/ostechnix
# ------------------------------------------------------------------

# Define thresholds
HIGH_THRESHOLD=95
LOW_THRESHOLD=10
LOGFILE="/tmp/battmon.log"

# Get the battery level
LEVEL=$(acpi -b | awk -F', ' '{print $2}' | tr -d '%,')

# Ensure LEVEL is a valid number
if [[ "$LEVEL" =~ ^[0-9]+$ ]]; then
    # Check for high battery level
    if [ "$LEVEL" -ge "$HIGH_THRESHOLD" ]; then
        echo "$(date) - Battery at $LEVEL%. Sending high battery notification..." >> "$LOGFILE"
        DISPLAY=:0 XDG_RUNTIME_DIR=/run/user/1000 notify-send -t 0 "Battery Full" "Your battery is now fully charged." >> "$LOGFILE" 2>&1
    fi

    # Check for low battery level
    if [ "$LEVEL" -le "$LOW_THRESHOLD" ]; then
        echo "$(date) - Battery at $LEVEL%. Sending low battery warning..." >> "$LOGFILE"
        DISPLAY=:0 XDG_RUNTIME_DIR=/run/user/1000 notify-send -t 0 "Battery Low" "Your battery is critically low. Please plug in your charger!" >> "$LOGFIL>
    fi
fi

Notification for Laptop Battery Fully Charged:

Low Battery Notification: