INNER CODE UNIT · Rust

view_directory

atanunq/viu · src/app.rs:89

fn view_directory(conf: &Config, dirname: &str, (tx, rx): TxRx) -> ViuResult {
    for dir_entry_result in fs::read_dir(dirname)? {
        //check if Ctrl-C has been received. If yes, stop iterating
        if rx.try_recv().is_ok() {
            return tx
                .send(true)
                .map_err(|_| Error::other("Could not send signal to clean up.").into());
        };
        let dir_entry = dir_entry_result?;

        //check if the given file is a directory
        if let Some(path_name) = dir_entry.path().to_str() {
            //if -r is passed, continue down
            if conf.recursive && dir_entry.metadata()?.is_dir() {
                view_directory(conf, path_name, (tx, rx))?;
            }
            //if it is a regular file, viu it, but do not exit on error
            else {

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