From c1a401202735e158aea3f60e2bb46be5c470aac9 Mon Sep 17 00:00:00 2001
From: cch <srdgame@gmail.com>
Date: Tue, 29 Mar 2016 14:20:23 +0800
Subject: [PATCH] Convert value to string before escape it

Originall ftcsv will be failed when encoding a number field content
---
 ftcsv.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/ftcsv.lua b/ftcsv.lua
index 501b5c1..1e60555 100644
--- a/ftcsv.lua
+++ b/ftcsv.lua
@@ -323,6 +323,7 @@ end
 
 -- a function that delimits " to "", used by the writer
 local function delimitField(field)
+    local field = tostring(field)
     if field:find('"') then
         return field:gsub('"', '""')
     else