mods that hopefully work for a TechAge-based pack

mods/yl_canned_food_mtg/setup.lua

@@ -0,0 +1,19 @@
+if yl_canned_food_mtg.settings.data_source ~= "json" then
+    return false
+end
+
+local mkdir = minetest.mkdir
+local save_path = yl_canned_food_mtg.settings.save_path
+
+local function run_once()
+    local path = yl_canned_food_mtg.worldpath .. DIR_DELIM .. save_path
+    local file = io.open(path, "r")
+    if not file then
+        mkdir(path)
+    else
+        file:close()
+    end
+
+end
+
+run_once()