It should either eventually crash or show you some kind of success dialog. If it's still sitting there after more than a half hour, it's probably done and you can safely kill it.
Madness string 1955
There's a dreadful wind blowing. Absolutely marvelous. Nobody else out. Just me and the stars and the moon and the wind, the glorious, glorious wind. We danced. We sang. She threw leaves in my face and I blew her a kiss. I was shouting at the heavens. THIS is LIFE.