From 4ff51992856aff8cb16177dc26fcb36ffec9c144 Mon Sep 17 00:00:00 2001
From: Paul Campbell <pcampbell@kemitix.net>
Date: Wed, 29 Nov 2023 15:15:00 +0000
Subject: [PATCH] display error if directory not specified

---
 src/main.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index e99b85d..4aca992 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,7 +6,13 @@ use std::{
 };
 
 fn main() {
-    let directory = args().nth(1).unwrap();
+    match args().nth(1) {
+        Some(dir) => rename_files_in_directory(dir),
+        None => println!("Please provide a directory"),
+    }
+}
+
+fn rename_files_in_directory(directory: String) {
     println!("Renaming files in {}", directory);
     match rename_files(&directory, &directory) {
         Ok(count) => println!("Renamed {} files", count),