From: matz@... (Yukihiro Matsumoto)
Date: 2004-01-23T00:15:53+09:00
Subject: Re: Marshal format filter? 1.6.8 to 1.8.1

Hi,

In message "Marshal format filter? 1.6.8 to 1.8.1"
    on 04/01/22, "Berger, Daniel" <djberge@qwest.com> writes:

|I'm in a situation where I may want to have a 1.8.1 client communicate
|with a 1.6.8 server, where the server is sending back marshal'd data.
|Is there a way to "filter" a 1.6.8 format into a 1.8.1 format, and
|vice-versa?

Simplest filter (should run on 1.8.1):

  Marshal.dump(Marshal.load(STDIN), STDOUT)

Binary hack:

  open(file, "r+"){|f|
    f.rewind
    f.putc Marshal::MAJOR_VERSION
    f.putc Marshal::MINOR_VERSION
  }

I recommend you not to convert downward.

							matz.