From 694fdc1174c82595ac161850f572eade6b126838 Mon Sep 17 00:00:00 2001
From: Randy Palamar <palamar@ualberta.ca>
Date: Mon, 8 Mar 2021 13:31:44 -0700
Subject: check if "LANG" environment variable exists before indexing it

---
 spellcheck.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/spellcheck.lua b/spellcheck.lua
index d6bbcb3..d64505c 100644
--- a/spellcheck.lua
+++ b/spellcheck.lua
@@ -2,7 +2,11 @@
 -- Use of this source code is governed by a MIT license found in the LICENSE file.
 
 local spellcheck = {}
-spellcheck.lang = os.getenv("LANG"):sub(0,5) or "en_US"
+if os.getenv("LANG") then
+	spellcheck.lang = os.getenv("LANG"):sub(0,5)
+else
+	spellcheck.lang = "en_US"
+end
 local supress_stdout = " >/dev/null"
 local supress_stderr = " 2>/dev/null"
 local supress_output = supress_stdout .. supress_stderr
-- 
cgit