Sorting.

src/main.rs

@@ -13,9 +13,13 @@ fn main() {
         for entry in WalkDir::new(dir) {
             let entry = entry.unwrap();
             if entry.file_type().is_file() {
-                eprintln!("{}", entry.path().display());
                 files.push(entry);
             }
         }
     }
+
+    files.sort_by_key(|file| file.path().to_owned());
+    for f in files {
+        println!("{}", f.path().display());
+    }
 }