From b734f0c5af58ab1ab09903943f16b569c0ff74c2 Mon Sep 17 00:00:00 2001
From: kageru <kageru@encode.moe>
Date: Wed, 1 Dec 2021 23:12:39 +0100
Subject: [PATCH] Get alternative input file via env variable instead

---
 2021/src/common.rs | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/2021/src/common.rs b/2021/src/common.rs
index 295e8d5..2a9437b 100644
--- a/2021/src/common.rs
+++ b/2021/src/common.rs
@@ -1,13 +1,7 @@
 use std::env;
 
 pub fn read_file(day: usize) -> String {
-    std::fs::read_to_string(
-        env::args()
-            .nth(1)
-            .filter(|n| n != "--bench")
-            .unwrap_or_else(|| format!("inputs/day{:0>2}", day)),
-    )
-    .unwrap()
+    std::fs::read_to_string(env::var("AOC_INPUT").unwrap_or_else(|_| format!("inputs/day{:0>2}", day))).unwrap()
 }
 
 #[inline]