From: stevegoobermanhill@...
Date: 2008-12-06T01:54:06+09:00
Subject: Re: YAML anchor and alias problem

On Dec 5, 4:30 pm, stevegoobermanh...@googlemail.com wrote:
> Hi,
> I'm trying to use YAML to load and store a whole bunch of data (with a
> lot of repetition). Anchors and aliases seem to be the way froward,
> but I am runing into a few problems.
>
> Suppose I have the following YAML document:
> ---
> anchor: &id001
> - sample1 :
>   name: s1
>   freq: 0.27
> - sample2 :
>   name: s2
>   freq: 0.27
> alias: *id001
>
> held in a string (str). I then load it
>
> x=YAML.load(str)
> => {"anchor"=>[{"name"=>"s1", "freq"=>0.27, "sample1"=>nil},
> {"name"=>"s2", "freq"=>0.27, "sample2"=>nil}], "alias"=>nil}
>
> Why does my alias always come out as nil. Where do I need to put the
> anchor in order that the alias picks up the entire list. This is the
> output I desire
> => {"anchor"=>[{"name"=>"s1", "freq"=>0.27, "sample1"=>nil},
> {"name"=>"s2", "freq"=>0.27, "sample2"=>nil}], "alias"=>
> [{"name"=>"s1", "freq"=>0.27, "sample1"=>nil}, {"name"=>"s2",
> "freq"=>0.27, "sample2"=>nil}]}
>
> Thanks
>
> Steve

Belay that - problem found - I didn't have the indenting right

Steve