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wide-energy-11069

11/13/2018, 7:47 PM
qq about clap: I have
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let untar_opts = &App::new("tar_api")
    .subcommand(
      SubCommand::with_name("untar")
    ).get_matches();

  let tar_file = untar_opts
    .value_of("file")
    .map(PathBuf::from)
    .unwrap();

  let dest = untar_opts
    .value_of("dest")
    .map(PathBuf::from)
    .unwrap();