From: Feng Luhan <jiorry@...>
Date: 2007-10-11T01:46:39+09:00
Subject: YAML file problem

I hava a yaml file as application config file. I use YAML::Store to
reset yaml key value, but it is not work. please help me!

y = YAML::Store.new( "#{RAILS_ROOT}/config_app/config.yml", :Indent => 2
)
y.transaction do
  y['value'].key1 = 'aaa'   # undefined method `[]' for
#<YAML::DomainType>
  y['value'].key2 = 'bbb'
end

File.open('config.yml','a+') do |file|
  yy = YAML::load(file)
  puts yy.value['key1']     # key1 = 111
  yy.value['key1'] = 'aaa'  # config.yml have not changed.
end
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