Papyrus - Adding a script to every single object of a single type

[DarkWolfModding]

How would you have a script be applied to every type of the same item in the game Is it possible? Is it easy to do?

 

For example:

lets say I have a script that changes the weight of every item in a category (like Crafting Materials or food, which could possibly be done by checking the object for a keyword) to 0 without having to attach the script to each object.