From 32f8422695dd53f92bd5e4e995d7e631b4762d9c Mon Sep 17 00:00:00 2001
From: Thomas Leplus <thomasleplus@users.noreply.github.com>
Date: Fri, 17 Sep 2021 21:04:20 -0700
Subject: [PATCH] Fix trimming

The trim() method returns a new trimmed string, it does not alter the current string (strings being immutable in Java).
---
 arduino-core/src/processing/app/BaseNoGui.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arduino-core/src/processing/app/BaseNoGui.java b/arduino-core/src/processing/app/BaseNoGui.java
index f648d87dae9..11163506038 100644
--- a/arduino-core/src/processing/app/BaseNoGui.java
+++ b/arduino-core/src/processing/app/BaseNoGui.java
@@ -888,8 +888,8 @@ static public void saveFile(String str, File file) throws IOException {
     // then trim any other character (\r) so saveStrings can print it in the correct
     // format for every OS
     String strArray[] = str.split("\n");
-    for (String item : strArray) {
-      item.trim();
+    for (int i = 0; i < strArray.length; i++) {
+      strArray[i] = strArray[i].trim();
     }
     PApplet.saveStrings(temp, strArray);