From: Brian Candler <b.candler@...>
Date: 2009-03-03T06:34:12+09:00
Subject: Re: Using YAML for inter-process communication - anything built-in ?

Thibaut Barr竪re wrote:
> If something already exists in Ruby to do that this way, I'd like to
> know about it.

I came across a YAML-RPC once upon a time; you could try looking for it.

I'd avoid YAML as much as possible, as it's horribly broken; certainly 
useless for mere humans writing YAML anyway.

irb(main):001:0> require "yaml"
=> true
irb(main):002:0> YAML.load("foo:bar\nbaz:")
=> "foo:bar baz:"
irb(main):003:0> YAML.load("foo:bar\nbaz:\n")
=> {"foo:bar baz"=>nil}
irb(main):004:0> YAML.load("foo:bar\nbaz:bap\n")
=> "foo:bar baz:bap"
irb(main):005:0> YAML.load("foo: bar\nbaz:bap\n")
ArgumentError: syntax error on line 2, col -1: `'
  from /usr/local/lib/ruby/1.8/yaml.rb:133:in `load'
  from /usr/local/lib/ruby/1.8/yaml.rb:133:in `load'
  from (irb):5
irb(main):006:0> YAML.load("foo: bar\nbaz: bap\n")
=> {"baz"=>"bap", "foo"=>"bar"}

There are also examples which have been posted to this list showing 
objects serialised to YAML and immediately back again, ending up with 
different content.

But I sympathise if you want to do something DRb-like, but between two 
different Ruby implementations. XMLRPC/JSON won't give you full Ruby 
object serialisation, and SOAP is too horrible to contemplate.
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