-(BOOL)createFileAtPath:(NSString *)path contents:(NSData *)data
error:(NSError **)error - create a file at the specified location, with the
data supplied as a parameter.
Parameters
- (NSString *)path
- String specifying the path.
- (NSData *)data
- Data to populate the file with.
- (NSError **)error
- Error object
Returns
(BOOL) - true if the file was created successfully.