Use Lua 5.4 close attribute.

1 files changed, 8 insertions, 10 deletions

diff --git a/init.lua b/init.lua
index 64c3064..da70464 100644
--- a/init.lua
+++ b/init.lua
@@ -1,20 +1,18 @@
 local function file_exists(path)
-	local f = io.open(path)
-	if f == nil then return false
-	else f:close() return true
-	end
+	local f <close> = io.open(path)
+	return f ~= nil
 end
 
 local function open_rej_file(file)
 	if file then
-        local rejfile = file .. '.rej'
-        if file_exists(rejfile) then
-            vis:command('open ' .. rejfile)
-        end
-    end
+		local rejfile = file .. '.rej'
+		if file_exists(rejfile) then
+			vis:command('open ' .. rejfile)
+		end
+	end
 end
 
 vis.events.subscribe(vis.events.FILE_OPEN, function (file)
-  open_rej_file(file.path)
+	open_rej_file(file.path)
 end)