{
NSString* fullPath = [fileAbsolutePath stringByExpandingTildeInPath];
NSURL* fileUrl = [NSURL fileURLWithPath:fullPath];
NSURLRequest* fileUrlRequest = [NSURLRequest requestWithURL: fileUrl];
NSURLResponse* response = nil;
[NSURLConnection sendSynchronousRequest:fileUrlRequest returningResponse:&response error:&error];
return[response MIMEType];
}
// need MobileCoreServices.framework
//#import <MobileCoreServices/MobileCoreServices.h>
//#import <CoreFoundation/CoreFoundation.h>
CFStringRef UTI = UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (CFStringRef)@"xls", NULL);
CFStringRef MIMEType = UTTypeCopyPreferredTagWithClass (UTI, kUTTagClassMIMEType);
CFRelease(UTI);
NSString *mimeType = [(NSString *)MIMEType autorelease];
NSLog(mimeType); // output "application/vnd.ms-excel"
//