From ff14f25c34d4d22f3f6d031ab88b94a6a9115a0f Mon Sep 17 00:00:00 2001
From: Zachary Dremann <dremann@gmail.com>
Date: Sun, 30 Jan 2022 22:27:22 -0500
Subject: [PATCH] paste: Reuse `output` allocation

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

diff --git a/src/uu/paste/src/paste.rs b/src/uu/paste/src/paste.rs
index dbc0bde76..db5fa5b8a 100644
--- a/src/uu/paste/src/paste.rs
+++ b/src/uu/paste/src/paste.rs
@@ -94,9 +94,10 @@ fn paste(filenames: Vec<String>, serial: bool, delimiters: &str) -> UResult<()>
     let mut stdout = stdout.lock();
 
     let mut line = String::new();
+    let mut output = String::new();
     if serial {
         for file in &mut files {
-            let mut output = String::new();
+            output.clear();
             loop {
                 line.clear();
                 match read_line(file.as_mut(), &mut line) {
@@ -115,7 +116,7 @@ fn paste(filenames: Vec<String>, serial: bool, delimiters: &str) -> UResult<()>
     } else {
         let mut eof = vec![false; files.len()];
         loop {
-            let mut output = String::new();
+            output.clear();
             let mut eof_count = 0;
             for (i, file) in files.iter_mut().enumerate() {
                 if eof[i] {