how to get .app filename programmatically?

i when i compile th开发者_开发技巧e project a .app application is created. and it is same name as the project name by default.

how to get that name programmaticaly ?

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NSDictionary *d = [NSDictionary dictionaryWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Info" ofType:@"plist"]];
NSString *s = [d objectForKey:@"CFBundleExecutable"];
NSLog(@"d: %@", s);