From 311dd46ecee5b6de3278074f3147e5d7200ac1b8 Mon Sep 17 00:00:00 2001
From: skywind3000 <skywind3000@163.com>
Date: Mon, 28 Jan 2019 16:39:25 +0800
Subject: [PATCH] fixed: random number _ZL_RANDOM is empty in fish shell

---
 z.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/z.lua b/z.lua
index a92a1a9..6ca80f3 100755
--- a/z.lua
+++ b/z.lua
@@ -1480,7 +1480,8 @@ function _zlua
 	l e x t r c s i h/help A-add C-complete -- $argv
 
 	if test -n "$_flag_add"
-		env _ZL_RANDOM="$RANDOM" "$ZLUA_LUAEXE" "$ZLUA_SCRIPT" --add $argv
+		set _ZL_RANDOM (random)
+		eval "$ZLUA_LUAEXE" "$ZLUA_SCRIPT" --add $argv
 		return
 	else if test -n "$_flag_complete"
 		_z_lua_impl --complete $argv