title: Read string from a file return nil
body: <p>I try to read string from a file with :</p>
  
  <pre><code>NSString* path = [[NSBundle mainBundle] pathForResource:@"dirty" ofType:@"txt"];
  NSString* content = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:&amp;err];
  </code></pre>
  
  <p>And the string i get is nil. in the error i get :</p>
  
  <pre><code>Error Domain=NSCocoaErrorDomain Code=261 "The operation couldn’t be completed. (Cocoa error 261.)" UserInfo=0x21063410 {NSFilePath=/var/mobile/Applications/78889F89-B83C-480C-A246-999152EE757C/Myapp.app/dirty.txt, NSStringEncoding=4}
  </code></pre>
  
  <p>Any idea what is the problem?</p>