# File lib/cucumber/formatter/io.rb, line 4 def ensure_io(path_or_io, name) return nil if path_or_io.nil? return path_or_io if path_or_io.respond_to?(:write) file = File.open(path_or_io, Cucumber.file_mode('w')) at_exit do unless file.closed? file.flush file.close end end file end