examples/global_file_logger.rs

#[macro_use]
extern crate slog;
extern crate slog_scope;
extern crate slog_stdlog;
extern crate slog_term;
#[macro_use]
extern crate log;


use std::fs::OpenOptions;

use slog::Drain;


fn main() {
    let log_path = "your_log_file_path.log";
    let file = OpenOptions::new()
        .create(true)
        .write(true)
        .truncate(true)
        .open(log_path)
        .unwrap();

    // create logger
    let decorator = slog_term::PlainSyncDecorator::new(file);
    let drain = slog_term::FullFormat::new(decorator).build().fuse();
    let logger = slog::Logger::root(drain, o!());

    // slog_stdlog uses the logger from slog_scope, so set a logger there
    let _guard = slog_scope::set_global_logger(logger);

    // register slog_stdlog as the log handler with the log crate
    slog_stdlog::init().unwrap();

    info!("global file logger");
}