how to append a string on the end of a rolling file.

[imgoby]

Use the following code to generate a log file every day, for example, when the date is from January 7, 2025 to January 8, 2025, how to append a string after the file log.log.2025-01-07, such as: “-----file end------”



let file_appender = tracing_appender::rolling::daily("logs", "log.log");
let (non_blocking, _guard) = tracing_appender::non_blocking(file_appender);

  let file_layer = fmt::layer()
        .with_ansi(false)
        .with_file(false)
        .with_line_number(true)
        .with_thread_ids(false)
        .with_thread_names(true)
        .with_timer(LocalTimer)
        .with_writer(non_blocking)
        .with_filter(LevelFilter::INFO);


        let collector = tracing_subscriber::registry()
        .with(file_layer)
        .with(std_layer);


        tracing::subscriber::set_global_default(collector).expect("Tracing collect error");