Write console log as File output

consoleLogFile

+ (NSString*)consoleLogFileWithDate
{
    NSDateFormatter *inputDateFormatter = [[NSDateFormatter alloc] init];
    [inputDateFormatter setDateFormat:@"yyyyMMddHHmmss"];
    [inputDateFormatter setLocale:[[NSLocale alloc] initWithLocaleIdentifier:@"US"]];
    NSString *dateStr = [inputDateFormatter stringFromDate:[NSDate date]];
    return [NSString stringWithFormat:@"console%@.log",dateStr];
}

static FILE *consoleLog; 

- (void)writeToFileConsoleLog
{
    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
    NSString *documentsDirectory = [paths objectAtIndex:0];
    NSString *oldConsoleFilename = CONSOLELOG_OLD_FILE;
    NSString *lastConsoleFilename = [self consoleLogFileWithDate];//CONSOLELOG_FILE;
    NSString *path = [documentsDirectory stringByAppendingPathComponent:oldConsoleFilename];
    NSString *lastPath = [documentsDirectory stringByAppendingPathComponent:lastConsoleFilename];
    
    NSError *err;
    [[NSFileManager defaultManager] removeItemAtPath:path error:&err ];
    [[NSFileManager defaultManager] moveItemAtPath:lastPath toPath:path error:&err ];
    
    consoleLog = freopen([lastPath cStringUsingEncoding:NSASCIIStringEncoding], "w", stderr);
}