Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
You can only control 1 "Double-Edged Sword". The equipped monster gains 2000 ATK, also both players take any battle damage from attacks involving the equipped monster. If you take 2000 or more battle damage: Send this card to the GY.
--脆刃の剣
--Double-Edged Sword
local s,id=GetID()
function s.initial_effect(c)
	--equip
	aux.AddEquipProcedure(c)
	c:SetUniqueOnField(1,0,id)
	--Atk
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_EQUIP)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(2000)
	c:RegisterEffect(e1)
	--damage
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_EQUIP)
	e2:SetCode(EFFECT_BOTH_BATTLE_DAMAGE)
	c:RegisterEffect(e2)
	--to grave
	local e3=Effect.CreateEffect(c)
	e3:SetCategory(CATEGORY_TOGRAVE)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_BATTLE_DAMAGE)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCondition(s.tgcon)
	e3:SetOperation(s.tgop)
	c:RegisterEffect(e3)
end
function s.tgcon(e,tp,eg,ep,ev,re,r,rp)
	return ep==tp and ev>=2000
end
function s.tgop(e,tp,eg,ep,ev,re,r,rp)
	if e:GetHandler():IsRelateToEffect(e) then
		Duel.SendtoGrave(e:GetHandler(),REASON_EFFECT)
	end
end