From aaa487801794a7d65521bc6b2a89c96fe93a8b27 Mon Sep 17 00:00:00 2001
From: Gunnar Beutner <gunnar.beutner@netways.de>
Date: Fri, 29 Jul 2016 13:55:07 +0200
Subject: [PATCH] Don't write empty lines to the history file

refs #12234
---
 lib/cli/consolecommand.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/cli/consolecommand.cpp b/lib/cli/consolecommand.cpp
index 98d120cf9..5da45da65 100644
--- a/lib/cli/consolecommand.cpp
+++ b/lib/cli/consolecommand.cpp
@@ -271,9 +271,11 @@ incomplete:
 			if (commandOnce.IsEmpty()) {
 				add_history(cline);
 
-				historyfp.open(historyPath.CStr(), std::fstream::out | std::fstream::app);
-				historyfp << cline << "\n";
-				historyfp.close();
+				if (cline[0] != '\0') {
+					historyfp.open(historyPath.CStr(), std::fstream::out | std::fstream::app);
+					historyfp << cline << "\n";
+					historyfp.close();
+				}
 			}
 
 			line = cline;