From 131a4e22e2fb3afa8ec0a8a35945d9511e41a4f9 Mon Sep 17 00:00:00 2001
From: Adam Carpenter <53hornet@gmail.com>
Date: Thu, 28 Feb 2019 09:12:04 -0500
Subject: Removed build files from repo.

---
 minigrep/src/lib.rs | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'minigrep/src')

diff --git a/minigrep/src/lib.rs b/minigrep/src/lib.rs
index 9f0adbd..bf7118f 100644
--- a/minigrep/src/lib.rs
+++ b/minigrep/src/lib.rs
@@ -20,13 +20,17 @@ impl Config {
         let filename = args[2].clone();
         let mut case_sensitive = env::var("CASE_INSENSITIVE").is_err();
 
-        if args.nth(3) == "-i" {
-            case_sensitive = false;
-        }
-        else if args[3] == "-s" {
-            case_sensitive = true;
+        // override environment variable if cli arg is present
+        if args.len() > 3 {
+            if args[3] == "-s" {
+                case_sensitive = true;
+            }
+            else if args[3] == "-i" {
+                case_sensitive = false;
+            }
         }
 
+
         Ok(Config { query, filename, case_sensitive })
     }
 
-- 
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