prompt hystory

local function history_check_load(id, max)
    if id and id ~= ""
        and not data.history[id] then
    data.history[id] = { max = 50, table = {} }

    if max then
            data.history[id].max = max
    end

    local f = io.open(id, "r")

    -- Read history file
    if f then
            for line in f:lines() do
                if util.table.hasitem(data.history[id].table, line) == nil then
                        table.insert(data.history[id].table, line)
                        if #data.history[id].table >= data.history[id].max then
                           break
                        end
                end
            end
            f:close()
    end
    end
end