Re: [ANN] Persistor, Transparent Persistence for Lua data!

[Egil Hjelmeland <privat@...>]

On 05. juni 2013 21:31, Jorge wrote:
> From the README:
>
> ------------------------------------
> local persistor = require 'persistor'
>
> local p = persistor.new('path/to/the/object/folder')
>
> -- store something
> p.pi = 3.14
> p.circle = {center={x=0, y=0}, radius=0.5}
>
> -- read something (possibly much later)
> print (2 * p.pi * p.circle.radius)
> ------------------------------------
>
> https://github.com/xopxe/lua-persistor
>
> Oh, you're going to be soooooo disappointed! :)
>
> Jorge
Suggestion:

diff -u persistor/persistor.lua persistor_1/persistor.lua
--- persistor/persistor.lua     2013-06-06 00:02:02.191783568 +0200
+++ persistor_1/persistor.lua   2013-06-06 00:01:29.539783689 +0200
@@ -49,6 +49,8 @@
                                for k, v in pairs(value) do
                                        subtable[k] = v
                                end
+                       elseif value == nil then
+                               os.remove(filepath)
                        else
                                local f = io.open(filepath, 'w')
f:write(type(value)..'\n'..tostring(value))

diff -u persistor/test.lua persistor_1/test.lua
--- persistor/test.lua  2013-06-06 00:02:08.623783552 +0200
+++ persistor_1/test.lua        2013-06-06 00:05:33.911782846 +0200
@@ -13,3 +13,6 @@
 print ('read4->', type(p.aaa.ddd.eee), p.aaa.ddd.eee)
 ret.bbb = 'tull og vås'
 print ('read2->', type(ret.bbb), ret.bbb)
+ret.bbb= nil
+assert (ret.bbb == nil)
+assert( type(ret.bbb) == 'nil')