From 678914be25d8e0c39caae0c02f98fe8cb946dd03 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <github@thinkyhead.com>
Date: Thu, 6 Jul 2017 14:00:58 -0500
Subject: [PATCH] Patch M23 to work around Simplify3D bug

Addressing #7227
---
 Marlin/Marlin_main.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 6f52f208d7..a2bd4a384c 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -6256,7 +6256,11 @@ inline void gcode_M17() {
   /**
    * M23: Open a file
    */
-  inline void gcode_M23() { card.openFile(parser.string_arg, true); }
+  inline void gcode_M23() {
+    // Simplify3D includes the size, so zero out all spaces (#7227)
+    for (char *fn = parser.string_arg; *fn; ++fn) if (*fn == ' ') *fn = '\0';
+    card.openFile(parser.string_arg, true); 
+  }
 
   /**
    * M24: Start or Resume SD Print