Change the path argument to a PathBuf, and adjust the code accordingly.

src/lib.rs

@@ -6,9 +6,9 @@ use std::path::{Path, PathBuf};
 ///
 /// # Arguments
 ///
-/// * `path` - The path to the directory.
+/// * `path` - A reference to a PathBuf representing the path to the directory.
 /// * `wildcard` - The wildcard pattern to match against file names.
-pub fn get_file_list(path: &str, wildcard: &str) -> Vec<String> {
+pub fn get_file_list(path: &PathBuf, wildcard: &str) -> Vec<String> {
     let pattern = Path::new(path).join(wildcard);
     let dir_entries: Vec<Result<PathBuf, _>> = glob(&pattern.to_string_lossy()).unwrap().collect();
     dir_entries
@@ -108,16 +108,16 @@ fn full_name_test() {
 
 #[test]
 fn file_list_test() {
-    const DIRECTORY: &str = ".";
+    let directory = PathBuf::from(".");
     const WILDCARD: &str = "*.toml";
 
-    assert_eq!(get_file_list(DIRECTORY, WILDCARD), vec!["Cargo.toml"]);
+    assert_eq!(get_file_list(&directory, WILDCARD), vec!["Cargo.toml"]);
 }
 
 #[test]
 fn empty_file_list_test() {
-    const DIRECTORY: &str = "src";
+    let directory = PathBuf::from("src");
     const WILDCARD: &str = "*.exe";
 
-    assert_eq!(get_file_list(DIRECTORY, WILDCARD), Vec::<String>::new());
+    assert_eq!(get_file_list(&directory, WILDCARD), Vec::<String>::new());
 }

src/main.rs

@@ -8,6 +8,7 @@
 
 use clap::Parser;
 use rmv::{get_file_list, replace_name};
+use std::path::PathBuf;
 
 /// Command line parser with clap
 #[derive(Parser)]
@@ -15,7 +16,7 @@ use rmv::{get_file_list, replace_name};
 struct Args {
     /// Path to the directory where the files to be renamed are located.
     #[arg(short = 'i', long)]
-    path: String,
+    path: PathBuf,
 
     /// Regular expression pattern to match against the file names in the directory.
     ///