13 lines
390 B
Ruby
13 lines
390 B
Ruby
# we often want to refer to variables which
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# are defined in subsequent stage files. This
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# let's us use the {{var}} to represent fetch(:var)
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# in strings which are only evaluated at runtime.
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def sub_strings(input_string)
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output_string = input_string
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input_string.scan(/{{(\w*)}}/).each do |var|
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output_string.gsub!("{{#{var[0]}}}", fetch(var[0].to_sym))
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end
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output_string
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end
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