From: Michael Neumann <neumann@...>
Date: 2001-12-04T08:33:18+09:00
Subject: [ruby-talk:27384] Re: marshalling (incompatible marshal file format)

Dave Thomas wrote:
> Paul Brannan <paul@atdesk.com> writes:
> 
> > I need to read some data from a Ruby script running on a remote host.
> > It was awfully convenient for me to simply marshal the data across the
> > wire, rather than writing routines to read/write the data myself.
> > 
> > However, I ran into a problem when trying to read data from a host
> > running Ruby 1.6.5 to a host running 1.6.4.  Is there any way to either:
> >   a) force the server to use a marshal format that the client
> >      understands, or
> >   b) teach the client how to read the newer marshal format, even though
> >      it is an older version of the interpreter?
> > 
> > In this particular case, I can simply install 1.6.5 on the client, but
> > that may not be an option in the future.
> 
> You could use xmarshal and transfer the stuff across in XML. I _think_
> that'll be version independent, although I've never tried it.
> 
>    http://www.goto.info.waseda.ac.jp/~fukusima/ruby/xmarshal.html

Alternatively use SOAP or XML-RPC to marshal your objects. Then you're
not only platform and version independent but also completely language independent.

Regards,

  Michael

-- 
Michael Neumann
merlin.zwo InfoDesign GmbH
http://www.merlin-zwo.de