im trynna make a file system for my data programm

current issue is the time it takes to compile data so im trying to shorten it by just creating a file with the infos so it doesnt compile old data
https://i.ibb.co/jPPTqm12/image-1777222830928.png
but its taking so long to write it all out
(i have to get all of that into it plus the last used link)
https://i.ibb.co/39k4WXQJ/image-1777222894421.png

goodluck