finding the latest modified file in a folder in rust

main.rs
use std::fs;
use std::fs::metadata;
use std::path::Path;

fn main() {
    // Path to the folder
    let folder_path = "/path/to/folder";

    // Get a list of all files in the folder
    let entries = fs::read_dir(&folder_path).unwrap();

    // Initialize variables to store the latest modified file
    let mut latest_modified_file: Option<Path> = None;
    let mut latest_modified_time = std::time::SystemTime::UNIX_EPOCH;

    // Iterate over the files in the folder
    for entry in entries {
        if let Ok(entry) = entry {
            let path = entry.path();
            let metadata = metadata(&path).unwrap();

            // Check if the file is newer than the current latest modified file
            if let Ok(modified_time) = metadata.modified() {
                if modified_time > latest_modified_time {
                    latest_modified_time = modified_time;
                    latest_modified_file = Some(path.to_owned());
                }
            }
        }
    }

    // Print the path of the latest modified file
    match latest_modified_file {
        Some(path) => println!("The latest modified file is: {:?}", path),
        None => println!("No files found in the folder"),
    }
}
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