How can I tell if a file is an image of some type?

Raymond Chen April 30, 2015 Apr 30, 2015 04/30/15

A customer wanted to know if there is some standard way of determining from the full path to a file whether it is a photo or image. They are writing a program that transfers a bunch of files to a back-end server, and they want to treat photos differently from other files. You can use the Assoc­Get­Perceived­Type function to ...