From b7925465a811c27c49335f71074f6648f0de44ad Mon Sep 17 00:00:00 2001
From: Sylvestre Ledru <sylvestre@debian.org>
Date: Mon, 5 Dec 2022 22:49:48 +0100
Subject: [PATCH] factor: trim the input to fix some busybox results

---
 src/uu/factor/src/cli.rs     | 16 ++++++++++------
 tests/by-util/test_factor.rs |  4 ++--
 2 files changed, 12 insertions(+), 8 deletions(-)

diff --git a/src/uu/factor/src/cli.rs b/src/uu/factor/src/cli.rs
index 51e52fac8..0b50599ae 100644
--- a/src/uu/factor/src/cli.rs
+++ b/src/uu/factor/src/cli.rs
@@ -35,12 +35,16 @@ fn print_factors_str(
     w: &mut io::BufWriter<impl io::Write>,
     factors_buffer: &mut String,
 ) -> Result<(), Box<dyn Error>> {
-    num_str.parse::<u64>().map_err(|e| e.into()).and_then(|x| {
-        factors_buffer.clear();
-        writeln!(factors_buffer, "{}:{}", x, factor(x))?;
-        w.write_all(factors_buffer.as_bytes())?;
-        Ok(())
-    })
+    num_str
+        .trim()
+        .parse::<u64>()
+        .map_err(|e| e.into())
+        .and_then(|x| {
+            factors_buffer.clear();
+            writeln!(factors_buffer, "{}:{}", x, factor(x))?;
+            w.write_all(factors_buffer.as_bytes())?;
+            Ok(())
+        })
 }
 
 #[uucore::main]
diff --git a/tests/by-util/test_factor.rs b/tests/by-util/test_factor.rs
index a4f38dbac..f84a86aa9 100644
--- a/tests/by-util/test_factor.rs
+++ b/tests/by-util/test_factor.rs
@@ -108,10 +108,10 @@ fn test_cli_args() {
     new_ucmd!().args(&["3"]).succeeds().stdout_contains("3: 3");
 
     new_ucmd!()
-        .args(&["3", "6"])
+        .args(&["3", "6", " +9"])
         .succeeds()
         .stdout_contains("3: 3")
-        .stdout_contains("6: 2 3");
+        .stdout_contains("9: 3 3");
 }
 
 #[test]