From 93f3568e941ba7539c07ec3b1989dcdf6cd3cc98 Mon Sep 17 00:00:00 2001
From: Jason Toffaletti <toffaletti@gmail.com>
Date: Wed, 23 Aug 2023 05:17:53 -0700
Subject: [PATCH] optimize Pipe.Wait (#187)

use io.Copy with io.Discard instead of io.ReadAll to avoid allocating a buffer just to throw it away
---
 script.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/script.go b/script.go
index 74111fa..213c8ce 100644
--- a/script.go
+++ b/script.go
@@ -849,7 +849,7 @@ func (p *Pipe) Tee(writers ...io.Writer) *Pipe {
 // useful for waiting until concurrent filters have completed (see
 // [Pipe.Filter]).
 func (p *Pipe) Wait() {
-	_, err := io.ReadAll(p)
+	_, err := io.Copy(io.Discard, p)
 	if err != nil {
 		p.SetError(err)
 	}