Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn: You can declare 1 card name; reveal the top card of your Deck, and if it is the declared card, add it to your hand. Otherwise, return it to the top of the Deck.
--リチュア・ディバイナー
--Gishki Diviner
local s,id=GetID()
function s.initial_effect(c)
	--announce
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsAbleToHand,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CODE)
	s.announce_filter={TYPE_EXTRA,OPCODE_ISTYPE,OPCODE_NOT}
	local ac=Duel.AnnounceCard(tp,table.unpack(s.announce_filter))
	Duel.SetTargetParam(ac)
	Duel.SetOperationInfo(0,CATEGORY_ANNOUNCE,nil,0,tp,ANNOUNCE_CARD_FILTER)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)==0 then return end
	Duel.ConfirmDecktop(tp,1)
	local g=Duel.GetDecktopGroup(tp,1)
	local tc=g:GetFirst()
	local ac=Duel.GetChainInfo(0,CHAININFO_TARGET_PARAM)
	if tc:IsCode(ac) and tc:IsAbleToHand() then
		Duel.DisableShuffleCheck()
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
		Duel.ShuffleHand(tp)
	end
end