Hey @TasKall!
It is definitely possible. There are plugins that can already do this on the marketplace like:
https://www.unrealengine.com/marketplace/en-US/product/easycsv
and
https://www.unrealengine.com/marketplace/en-US/product/4c7c4f8d523f4c90b2e26d23502c526c?sessionInvalidated=true
Also check out this thread post here for reading and writing a text file:
I hope the above points you in the direction you are looking for!