From 942a47330efa1b08ea5ec3069d8a70c9d0729e04 Mon Sep 17 00:00:00 2001
From: Tangent <rose@tangentfox.com>
Date: Sat, 9 Nov 2024 00:48:44 -0700
Subject: [PATCH] fix error by which utility.open might not always close file
 handles

---
 utility-functions.lua | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/utility-functions.lua b/utility-functions.lua
index c2de14e..4cf292a 100644
--- a/utility-functions.lua
+++ b/utility-functions.lua
@@ -133,9 +133,13 @@ utility.open = function(file_name, mode, custom_error_message)
   local file, err = io.open(file_name, mode)
   if not file then error(custom_error_message or err) end
   return function(fn)
-    local result = fn(file)
+    local success, result_or_error = pcall(function() return fn(file) end)
     file:close()
-    return result
+    if success then
+      return result_or_error
+    else
+      error(result_or_error)
+    end
   end
 end