termux-api-package/scripts/termux-vibrate

#!/data/data/com.termux/files/usr/bin/sh
set -e -u

SCRIPTNAME=termux-vibrate
show_usage () {
    echo "Usage: $SCRIPTNAME [-d duration] [-f]"
    echo "Vibrate the device."
    echo "  -d duration  the duration to vibrate in ms (default:1000)"
    echo "  -f           force vibration even in silent mode"
    exit 0
}

PARAMS=""

while getopts :hfd: option
do
    case "$option" in
	h) show_usage;;
	d) PARAMS="$PARAMS --ei duration_ms $OPTARG";;
	f) PARAMS="$PARAMS --ez force true";;
	?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
    esac
done
shift $(($OPTIND-1))

if [ $# != 0 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi

/data/data/com.termux/files/usr/libexec/termux-api Vibrate $PARAMS