Format Value (Calculation Across Selected Files)

[ohrenkino]

@mista_j

Not sure where to begin with this one

I would think that a look at the scripting functions is a good first step:

Scripting Functions – Mp3tag Documentation

and if that does not bring you any further, then

Hints for asking Support Requests

If you need support using Mp3tag, you can help the community members that are about to support you in finding a solution or workaround to your problem, by following these simple guidelines. Be descriptive, also in what you’ve already tried Please give a short explanation what’s not working as expected or what you’re trying to achieve. It’s best to know any details about the problem at hand and especially, what steps you’ve already tried to solve it by yourself. Helpful information also includ…

esp. the part about screenshots and examples.