Macro/Scripting help

Hi!  I'm new to the forums (and to my company).  I was hoping that someone could offer some help in setting up a script that will go through a directory, open every part and assembly file, set them to dimetric, save, and close the file.  For some reason, about half the files in the directory I inhereted are zoomed so far in that I can't actually tell what it is from the thumbnail.  Any help in the way of a script, or just pointing in the right direction would be greatly appreciated!  Thanks!

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