Reading a content of file (Text, Xml format)

 NSError *errorFileReading;  

 //Read file from mainBundle

 NSString *strFileContent = [NSString stringWithContentsOfFile:[[NSBundle mainBundle]

                pathForResource: @"fileName" ofType: @"txt"] encoding:NSUTF8StringEncoding  

                error:&errorFileReading];

        

 if(errorFileReading) {  //Handle error           

     NSLog(@"errorFileReading");

 } 

 if (strFileContent) {

    //Handle file content over here

 }