From d325a952ee1133eaa76cc3d1196a9364c2a539dc Mon Sep 17 00:00:00 2001
From: Zhuoxun Yang <Zhuoxun.Yang777@outlook.com>
Date: Tue, 17 Oct 2023 22:27:47 +0800
Subject: [PATCH] expr: return "0" for `|`

---
 src/uu/expr/src/syntax_tree.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/uu/expr/src/syntax_tree.rs b/src/uu/expr/src/syntax_tree.rs
index 2cd2af0b1..c55fb0bdc 100644
--- a/src/uu/expr/src/syntax_tree.rs
+++ b/src/uu/expr/src/syntax_tree.rs
@@ -464,8 +464,10 @@ fn infix_operator_or(values: &[String]) -> String {
     assert!(values.len() == 2);
     if value_as_bool(&values[0]) {
         values[0].clone()
-    } else {
+    } else if value_as_bool(&values[1]) {
         values[1].clone()
+    } else {
+        0.to_string()
     }
 }