Wait, so you want to be able to write scripts outside of your game, and then have the game read them and do stuff based on what's in the script? Look into LUA; Barnski has a great plugin for that. It lets you call functions from DBP outside of your game, I'm using it in my game and it's working great. You'll need to learn some LUA scripting language to be able to use it, but you don't have to learn a lot. LUA works great for settings files too.
Here's a link to Barnski's plugin.
http://forum.thegamecreators.com/?m=forum_view&t=74095&b=5
Alternatively you can write your own scripting system using the FILE commands if you want.
If you're just trying to save filenames and stuff though, I'd just use the FILE commands. Barnski's plugin could be overkill for that
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