- echo 'usage: termux-vibrate [<duration_ms>]'
- echo 'Vibrate the device for the specified duration (default:1000 ms).'
- exit 1
+ echo "Usage: $SCRIPTNAME [-d duration] [-f]"
+ echo "Vibrate the device."
+ echo ""
+ echo " -d duration the duration to vibrate in ms (default:1000)"
+ echo " -f force vibration even in silent mode"
+ echo ""
+ exit 0