file_exists.rs

fn check_directory_exists(meter_number: &str) -> io::Result<()> {
    let exists_result = metadata(meter_number)?;

    match exists_result.is_dir() {
        true => println!("Meter number {} exists", meter_number),
        false => println!("Meter number {} is not registered.", meter_number),
    }
    Ok(())
}