From 6003d959746a6dadecbd1c6479baa9fff73d1d39 Mon Sep 17 00:00:00 2001
From: Jeong YunWon <jeong@youknowone.org>
Date: Fri, 11 Jun 2021 21:59:16 +0900
Subject: [PATCH] comm: clean up line-end check

---
 src/uu/comm/src/comm.rs | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/uu/comm/src/comm.rs b/src/uu/comm/src/comm.rs
index f7190fb73..7a6086bb5 100644
--- a/src/uu/comm/src/comm.rs
+++ b/src/uu/comm/src/comm.rs
@@ -50,9 +50,8 @@ fn mkdelim(col: usize, opts: &ArgMatches) -> String {
 }
 
 fn ensure_nl(line: &mut String) {
-    match line.chars().last() {
-        Some('\n') => (),
-        _ => line.push('\n'),
+    if !line.ends_with('\n') {
+        line.push('\n');
     }
 }