Re: Saving a table in file

["Luciano de Souza" <luchyanus@...>]

I haven't seen your message before. Thank you. I need to take a look more 
carefully to understand the usage of this library.
I am really impressed about the number of relevant modules are available.
Up to now, I only leaded with the standard libraries.

----- Original Message ----- 
From: "joao lobato" <btnfdp.lobato@gmail.com>
To: "Lua list" <lua@bazar2.conectiva.com.br>
Sent: Sunday, March 07, 2010 6:12 PM
Subject: Re: Saving a table in file


> This one is http://www.lua.org/pil/12.1.html generalized to accept
> tables as indices as well as values; the save function gives you a
> string representation of your table that you can load using loadstring
> or loadfile. I don't recall how much testing I did regarding function
> environments but they're disabled by default.
>
> On 3/7/10, Andre Leiradella <aleirade@sct.microlink.com.br> wrote:
> > This version handles nested tables: http://lua-users.org/wiki/PickleTable
> >
> > Cheers,
> >
> > Andre
> >
> > On 07/03/2010 17:25, Nevin Flanagan wrote:
> > > One way to serialize tables in Lua is to write the actual table
> > > constructor text into the file. This has the advantage that you can
> > > then use Lua itself to load the table from the file contents.
> > >
> > > This is a simplified version that does not handle nested tables:
> > >
> > > function table.pickle(t, fileName)
> > > local output = io.open(fileName, "w")
> > > output:write("return {\n")
> > > for k, v in pairs(t) do
> > > if (type(k) == 'string' or type(k) == 'number' or type(k) == 'boolean')
> > > and (type(v) == 'string' or type(v) == 'number' or type(v) ==
> > > 'boolean'') then
> > > if type(k) == 'string' then
> > > k = string.format("%q", k)
> > > else
> > > k = tostring(k)
> > > end
> > > if type(v) == 'string' then
> > > v = string.format("%q", v)
> > > else
> > > v = tostring(v)
> > > end
> > > output:write(string.format("[%s] = %s,\n", k, v)
> > > end
> > > end
> > > output:close()
> > > end
> > >
> > >
> > > NFF