This is a quickly hacked PHP script that will get the latests posts in your sqlite database and create .md and .gmi files to serves as a gemini protocol file. It uses gemgen command line for the markdown to gemtext translation.
This just select the date of the most recently updated post. If it is more recent than a stamp file it updates *everything*. Not an issue for a few hundred posts but this might need optimisation in the future if this ever gets used on a larger scale to only update changed posts.
# Usage
Edit config.php and put something like this in your cron tab