Method: Hen::CLI#render

Defined in:
lib/hen/cli.rb

#render(sample, target) ⇒ Object

Renders the contents of sample as an ERb template, storing the result in target. Returns the content.



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# File 'lib/hen/cli.rb', line 53

def render(sample, target)
  abort "Sample file not found: #{sample}" unless File.readable?(sample)

  if File.readable?(target)
    abort unless agree("Target file already exists: #{target}. Overwrite? ")
    File.rename(target, "#{target}.bak-#{Time.now.to_i}")
  end

  content = ERB.new(File.read(sample)).result(binding)

  File.open(target, 'w') { |f| f.puts content unless content.empty? }

  content
end