From 41ce69811a306867a5e89d0ced9a90bb0bb8084b Mon Sep 17 00:00:00 2001
From: Scott Prager <splinterofchaos@gmail.com>
Date: Tue, 31 Mar 2015 00:10:31 -0400
Subject: [PATCH] system(): Return an empty string if no output.

fixes #2286
---
 src/nvim/eval.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/nvim/eval.c b/src/nvim/eval.c
index 231b92db3c..93d159f9a0 100644
--- a/src/nvim/eval.c
+++ b/src/nvim/eval.c
@@ -14863,6 +14863,8 @@ static void get_system_output_as_rettv(typval_T *argvars, typval_T *rettv,
     if (retlist) {
       // return an empty list when there's no output
       rettv_list_alloc(rettv);
+    } else {
+      rettv->vval.v_string = (char_u *) xstrdup("");
     }
     return;
   }