fix: improve get_file_name_from_path to use std Path

src/parser.rs

@@ -1,6 +1,7 @@
 use std::{
     fs::File,
     io::{BufRead, BufReader},
+    path::Path,
 };
 
 use anyhow::Context;
@@ -23,9 +24,9 @@ pub fn read_lines(
 }
 
 fn get_file_name_from_path(file_path: &str) -> String {
-    match file_path.rsplit('/').next() {
-        Some(name) => name.into(),
-        None => file_path.into(),
+    match Path::new(file_path).file_name() {
+        Some(name) => name.to_string_lossy().to_string(),
+        None => String::from("unknown"),
     }
 }