From c73ba1630ec116d0f170940a765538de26ba5ccf Mon Sep 17 00:00:00 2001
From: Dean Li <deantvv@gmail.com>
Date: Tue, 15 Jun 2021 21:47:36 +0800
Subject: [PATCH] ls: set show-control-char if stdout is terminal

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

diff --git a/src/uu/ls/src/ls.rs b/src/uu/ls/src/ls.rs
index dc67d5738..0bffa2e52 100644
--- a/src/uu/ls/src/ls.rs
+++ b/src/uu/ls/src/ls.rs
@@ -382,10 +382,11 @@ impl Config {
         #[allow(clippy::needless_bool)]
         let show_control = if options.is_present(options::HIDE_CONTROL_CHARS) {
             false
-        } else if options.is_present(options::SHOW_CONTROL_CHARS) {
+        } else if options.is_present(options::SHOW_CONTROL_CHARS) || atty::is(atty::Stream::Stdout)
+        {
             true
         } else {
-            false // TODO: only if output is a terminal and the program is `ls`
+            false
         };
 
         let quoting_style = if let Some(style) = options.value_of(options::QUOTING_STYLE) {