#![allow(unused)] ///Using clap - command line argument parser use clap::Parser; /// Search for a pattern in a file and display the lines that contain it. #[derive(Parser)] struct Cli { /// The pattern to look for pattern: String, /// The path to the file to read #[clap(parse(from_os_str))] path: std::path::PathBuf, } fn main() { let args = Cli::parse(); }