gistfile1.matlab

    NSString *localDateString = [NSDateFormatter dateFormatFromTemplate:@"MdY" options:0 locale:[NSLocale currentLocale]];
    NSCharacterSet *validChars = [NSCharacterSet letterCharacterSet];
    NSInteger i = 0;
    NSMutableString *newString = [NSMutableString stringWithCapacity:5];

    while (i < [localDateString length])
    {
        char charatcter = [localDateString characterAtIndex:i];
        static NSString *appendChar = @"%c";

        if ([validChars characterIsMember:charatcter])
            [newString appendFormat:appendChar, charatcter];

         i++;
    }
    static NSString *dateSeperator = @".";
    [newString insertString:dateSeperator atIndex:1];
    [newString insertString:dateSeperator atIndex:3];