Remove unused code and simplify main function

src/main.rs

@@ -1,6 +1,4 @@
 use clap::{ArgAction, Parser};
-use std::fs;
-use std::path::{Path, PathBuf};
 
 /// Represents the command-line arguments for the ls program
 #[derive(Parser)]
@@ -267,52 +265,6 @@ struct Args {
     one_per_line: bool,
 }
 
-#[derive(Debug)]
-enum Error {
-    Io(std::io::Error),
-    StripPrefix(std::path::StripPrefixError),
-}
-
-impl From<std::io::Error> for Error {
-    fn from(e: std::io::Error) -> Self {
-        Error::Io(e)
-    }
-}
-
-impl From<std::path::StripPrefixError> for Error {
-    fn from(e: std::path::StripPrefixError) -> Self {
-        Error::StripPrefix(e)
-    }
-}
-
-fn get_list<T>(path: T) -> Result<Vec<PathBuf>, Error>
-where
-    T: AsRef<Path> + Copy,
-{
-    match fs::metadata(&path) {
-        Ok(md) => {
-            if md.is_dir() {
-                let entries = fs::read_dir(path)?;
-                let mut list = Vec::new();
-                for entry in entries {
-                    let entry_path = entry?.path();
-                    let relative = entry_path.strip_prefix(&path)?;
-                    list.push(relative.to_owned());
-                }
-                Ok(list)
-            } else {
-                Ok(vec![path.as_ref().to_owned()])
-            }
-        }
-        Err(e) => Err(Error::Io(e)),
-    }
-}
-
 fn main() {
-    let cli = Args::parse();
-    // let list = get_list(&cli.input).unwrap();
-    // for path in list {
-    //     println!("{}", path.display());
-    // }
-    println!("{}", cli.almost_all);
+    let _cli = Args::parse();
 }