I've been researching how to develop a sitemaps.org XML which updates automatically as new pages/new sections of my site go into production. Keep in mind that my site is huge - hundreds of thousands of pages and many sub-domains, so we're talking multiple XML files per sub-domain.
I haven't found much out there except a couple out-of-the-box software programs which claim to do this. What I'm trying to figure out is how my internal developers might go about doing this without a 3rd party application.
I've heard rumors that this can be done with a python script, but I'm not a programmer, so I can't speak to this.