Finds the best uniform type identifier (UTI) for a given filename extension

UTI from filename extension.m

@import Foundation;
@import CoreServices;

int main(int argc, char *argv[]) {
	@autoreleasepool {
		NSString * UTI = (__bridge NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, 
		                                                                   (CFStringRef)@"plist", 
		                                                                   NULL);
		NSLog(@"UTI is %@", UTI);
	}
}