while true;do
	stty -icanon min 0 time 100
	echo -n "Automatic execute ten seconds after,Are you sure you want to start the task(yes or no)?"
	read Arg
	case $Arg in
		Y|y|YES|yes)
		  break;;
		N|n|NO|no)
		  exit;;
		"")  #Autocontinue
		  break;;
	esac
done
 
echo
echo "others function..."

?