From db2c4fbf3972074c7e9ce978a906b8bbb437a0d2 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Fri, 8 Feb 2019 20:15:49 +0100
Subject: global-functions: prevent infinite loop in $CharacterReplace

---
 global-functions | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/global-functions b/global-functions
index 50d0eed..6e5dd5d 100644
--- a/global-functions
+++ b/global-functions
@@ -47,6 +47,10 @@
   :local ReplaceWith [ :tostr $3 ];
   :local Len [ :len $ReplaceFrom ];
 
+  :if ($ReplaceFrom = "") do={
+    :return $String;
+  }
+
   :while ($String ~ $ReplaceFrom) do={
     :local Pos [ :find $String $ReplaceFrom ];
     :set String ([ :pick $String 0 $Pos ] . $ReplaceWith . [ :pick $String ($Pos + $Len) 999 ]);
-- 
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