Created
October 20, 2024 09:54
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Checks the Magic Mouse and Magic Keyboard battery on MacOS and shows a notification when it goes under a certain value
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| #!/bin/bash | |
| # Set the threshold percentage (default is 20%) | |
| THRESHOLD=${1:-20} | |
| # Function to get battery percentage of a device | |
| get_battery() { | |
| local device=$1 | |
| local result=$(ioreg -c AppleDeviceManagementHIDEventService -r -l | grep -i "$device" -A 20 | grep BatteryPercent | cut -d= -f2 | tr -d '%') | |
| if [ -n "$result" ]; then | |
| echo $((1 * $result)) | |
| else | |
| echo "0" | |
| fi | |
| } | |
| # Get battery percentages | |
| mouse_battery=$(get_battery "MOConnected") | |
| keyboard_battery=$(get_battery "KBConnected") | |
| # echo "Mouse battery: $mouse_battery%" | |
| # echo "Keyboard battery: $keyboard_battery%" | |
| # Check if devices are found | |
| if [ "$mouse_battery" = "0" ] && [ "$keyboard_battery" = "0" ]; then | |
| echo "No mouse or keyboard found." | |
| exit 1 | |
| fi | |
| # Compare batteries and send notification if below threshold | |
| if (( $(echo "$mouse_battery < $THRESHOLD" | bc -l) )); then | |
| osascript -e "display notification \"Mouse battery is $mouse_battery% !\" with title \"Battery Alert\"" | |
| fi | |
| if (( $(echo "$keyboard_battery < $THRESHOLD" | bc -l) )); then | |
| osascript -e "display notification \"Keyboard battery is $keyboard_battery%!\" with title \"Battery Alert\"" | |
| fi |
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