Have you considered PStore in the standard library?


----- Original Message ----- 
From: "Rasputin" <rasputin / idoru.mine.nu>
To: "ruby-talk ML" <ruby-talk / ruby-lang.org>
Sent: Friday, November 14, 2003 11:59 AM
Subject: file-backed array of classes?


> 
> I was looking at prototyping a write once file service, a bit like
> Plan9s Venti system. I delete files a lot :)
> As usual, my grand designs are  thwarted by the basics...
> 
> I'm at the 'get the unit tests of the simplest possible implementation to
> pass' stage, and need something like an append-only file of fixed
> size records (data blocks). Have we got classes or methods to do
> record-based file IO? I dont mind reinventing a wheel otherwise.
> 
> Next problem (I learned to never look more than 1 problem ahead or I
> never start anything). I need an index that gets dynamically updated as
> the record file is written to.
> 
> The ideal solution would be a hash that was backed by a file somehow-
> then I realised I could implement the data blocks themselves
> the same way.
> 
> I looked through pickAxe and RAA for  these two and found a lot of SQL
> persistence APIs, but that feels like overkill....
> 
> Does anyone know of a more lightweight solution?
> -- 
> I don't care who does the electing as long as I get to do the
> nominating.
> -- Boss Tweed
> Rasputin :: Jack of All Trades - Master of Nuns
>