CODEWITHSUNDEEP
rubyyaml
yatagarasu
yatagarasu

Reputation: 549

Ruby strings with embedded variables

How can I store ruby string with embedded variables in yaml, but insert variable values only when I get string from yaml?

Upvotes: 9

Views: 5645

Answers (2)

Hooopo
Hooopo

Reputation: 1400

Embed erb in yaml file as rails did:

# config/initializers/load_config.rb
APP_CONFIG = YAML.load_file("#{Rails.root}/config/app_config.yml")[Rails.env]


# config/app_config.yml
development:
  key1: <%= # ruby code ... %>
test:
  key1: <%= # ruby code ... %>
production:
  key1: <%= # ruby code ... %>

Upvotes: 2

steenslag
steenslag

Reputation: 80065

str = "Hi %{name}, %{msg}. Bye %{name}." #yaml it, de-yaml it back to string
h = {:name=> "John", :msg=> "this message is for you"}
puts str % h
#=>Hi John, This message is for you. Bye John.

Upvotes: 19

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