From 515a10b9f1fb10af00161d32f989ea7a8ebd4c62 Mon Sep 17 00:00:00 2001
From: oech3 <79379754+oech3@users.noreply.github.com>
Date: Sat, 7 Mar 2026 17:57:03 +0900
Subject: [PATCH] sort --compress-program missing 2>/dev/full does not abort
 (#10951)

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

diff --git a/src/uu/sort/src/ext_sort.rs b/src/uu/sort/src/ext_sort.rs
index e1cd8bf01..59bf18a41 100644
--- a/src/uu/sort/src/ext_sort.rs
+++ b/src/uu/sort/src/ext_sort.rs
@@ -11,7 +11,7 @@
 
 use std::cmp::Ordering;
 use std::fs::File;
-use std::io::Write;
+use std::io::{Write, stderr};
 use std::path::PathBuf;
 use std::{
     io::Read,
@@ -69,7 +69,8 @@ pub fn ext_sort(
             }
             Err(err) => {
                 // Print the error and disable compression
-                eprintln!(
+                let _ = writeln!(
+                    stderr(),
                     "sort: could not run compress program '{prog}': {}",
                     strip_errno(&err)
                 );