CODEWITHSUNDEEP
ruby
Martin
Martin

Reputation: 11

Ruby: How to traverse YAML node tree with non-unique values?

I have a YAML document which I believe is valid (at least it would be representable in XML):

purchase_order:
  date: 10/12/2010
  vendor: 12345
  item:
    product: Tomatoes
    quantity: 5
  item:
    product: Eggs
    quantity: 2

The problem is that using YAML.read on this produces a Hash in Ruby in which only one purchase order item occurs because (naturally) it has to be unique.

How else can one traverse the nodes in a YAML document like this?

Upvotes: 1

Views: 489

Answers (1)

DanSingerman
DanSingerman

Reputation: 36532

The problem is that is not correct YAML for describing an array of items.

That would be this:

purchase_order: 
  date: 10/12/2010
  vendor: 12345
  items: 
  - quantity: 5
    product: Tomatoes
  - quantity: 2
    product: Eggs

So I don't think you will be able to parse it as YAML.

Perhaps parsing it as a text file with a YAML-like structure is the best solution.

Upvotes: 2

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