Automatically write filename on a set of images

[GiacomoDB]

Dear All,

I am new in this forum. I write a topic because I would ask if it is available a Script-Fu (of Python-Fu) which generates a specific set of operation made automatically.

I have a lot of images, with specific filename.jpg (or filename.png, or any extension).
I would like to:

- Open them one by one;
- Write on a specific position (which is always the same for every image) the filename without the extension ("filename"), with a specific size/color, font, etc;
- Save it and close;

Is there any Script-Fu able to doing this?
Is there an official repository of ready to use
Script-fu (or Python-Fu) scripts?

Thank you in advance for every reply!