“To make a film,” Jean-Luc Godard once memorably said, “all you need is a girl and a gun.” (A little money helps.) In “Film Ist. a Girl & a Gun,” the Austrian director Gustav Deutsch complicates this witty, deceptively simple formula with a wealth of found footage (material shot by others for other purposes) borrowed from film archives from around the world. As the title suggests, there are girls (voluptuous, ecstatic, threatened) and there are guns (hard, phallic, threatening) along with something of a narrative...
