From 11d72098e9d8e145112b96c387ec2d82527c4404 Mon Sep 17 00:00:00 2001
From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Tue, 8 May 2018 18:46:49 +0100
Subject: [PATCH] lib/lua/nb.lua

---
 lib/lua/nb.lua | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/lua/nb.lua b/lib/lua/nb.lua
index 69fba341..da4f721a 100644
--- a/lib/lua/nb.lua
+++ b/lib/lua/nb.lua
@@ -93,6 +93,13 @@ function nb:ngx_location_md(fheader,ffooter)
 	ngx.exit(0)
 end
 
+function readcmd(cmd)
+	local f = assert(io.popen(cmd, 'r'))
+	local s = assert(f:read('*a'))
+	f:close()
+	return s
+end
+
 function values(t)
   local i = 0
   return function() i = i + 1; return t[i] end
-- 
2.47.3