Pre-envenoming tracker

Script name: CommandInput
Event: sysDataSendRequest
Code:

pendingVenoms = pendingVenoms or {}
venoms = venoms or {
	left = {},
	right = {}
}

function CommandInput(_, command)
	if string.find(command, "envenom %a+ with %a+") then
		local weapon = string.match(command, "envenom (%a+)")
		local venom = string.match(command, "with (%a+)")
		-- TODO: convert item numbers into left/right based on wielded tracking? Will the %a+ pattern work for an actual number?
		table.insert(pendingVenoms, {
			hand = weapon,
			venom = venom
		})
	end
end

function handlePendingVenom(venom)
	local pendingVenom = pendingVenoms[1]
	if not pendingVenom then
		return
	end
	table.remove(pendingVenoms, 1)
	if pendingVenom.venom ~= venom then
		-- something went wrong, likely stupidity or aeon caused this command to not be sent so we'll look at the next one
		-- Note: won't handle combinations with the same venom that get screwed up
		handlePendingVenom(venom)
	else
		table.insert(venoms[pendingVenom.hand], 1, pendingVenom.venom)
	end
end

Trigger name: Envenom
Perl regex: ^You rub some (\w+) on .+\.$
Line spacer: 1
Lua function: return isPrompt()
Multiline / AND: Yes
Line delta: 1
Code: handlePendingVenom(multimatches[1][2])