Method: CLI::UI.log_output_to

Defined in:
lib/cli/ui.rb

.log_output_to(path, &block) ⇒ Object

Duplicate output to a file path

Attributes

  • path - path to duplicate output to

: [T] (String path) { -> T } -> T



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# File 'lib/cli/ui.rb', line 254

def log_output_to(path, &block)
  if CLI::UI::StdoutRouter.duplicate_output_to
    raise 'multiple logs not allowed'
  end

  CLI::UI::StdoutRouter.duplicate_output_to = File.open(path, 'w')
  yield
ensure
  if (file_descriptor = CLI::UI::StdoutRouter.duplicate_output_to)
    begin
      file_descriptor.close
    rescue IOError
      nil
    end
    CLI::UI::StdoutRouter.duplicate_output_to = nil
  end
end