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About This File

A module that can store, save, and load any arbitrary data.

For developers only! Don't expect it to do anything interesting in-game.

Download contains:

persistentdata.lua - The module. Put this in your mod's scripts folder.

PersistentDataExample_v1.x.zip - Example usage of the module with comments

See the example for information on how to use it.

Mods that currently use it:

Mod Manager - by Blueberrys

Feats of the World - by debugman18

Previously posted here.

Everything provided here is public domain. No warranties for anything. Blah blah blah. Use it however you want!

Attribution would be appreciated, but is not required.

What's New in Version 1.2   See changelog


  • Corrected mod link in description (whoops)
  • Like 2

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This does not seem to work from Worldgen, as there is no TheSim. I would have to load the information in modmain in the main menu screen and somehow shove it past the Sim reset, but I can't think of any way to do this (other then maybe writing a temporary txt somehow).

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I worked around the aforementioned issue like this, should anybody be interested:

local file = assert(io.open("temp-myfile.txt", "w")) --TODO write to mod directory instead of maingame data folder

local t
local file = io.open("temp-myfile.txt", "r")
if file then
	t = json.decode(file:read()) or {}
	t = {}

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