From aeaa7d150cacb5f858f1b516ca3e2234c68b8e55 Mon Sep 17 00:00:00 2001
From: "Kartik K. Agaram" <vc@akkartik.com>
Date: Tue, 23 Aug 2022 15:04:30 -0700
Subject: helper: file_exists

---
 file.lua | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/file.lua b/file.lua
index 9440ae8..6b36b0f 100644
--- a/file.lua
+++ b/file.lua
@@ -1,4 +1,14 @@
 -- primitives for saving to file and loading from file
+function file_exists(filename)
+  local infile = App.open_for_reading(filename)
+  if infile then
+    infile:close()
+    return true
+  else
+    return false
+  end
+end
+
 function load_from_disk(State)
   local infile = App.open_for_reading(State.filename)
   State.lines = load_from_file(infile)
-- 
cgit 1.4.1-2-gfad0