See RIO.rio

Source Code

# File rio.rb, line 75
def self.rio(*args,&block) # :yields: self
  ario = new(*args)
  if block_given?
    old_closeoncopy = ario.closeoncopy?
    begin
      yield ario.nocloseoncopy
    ensure
      ario.reset.closeoncopy(old_closeoncopy)
    end
  end
  ario
end