Shameless plug: I wrote a progress bar gem awhile back for that exact use-case: I wanted it to be as simple as possible to use, and show me an ETA for completio

Shameless plug: I wrote a progress bar gem awhile back for that exact use-case: I wanted it to be as simple as possible to use, and show me an ETA for completion. Maybe you'll find this one useful, too. https://github.com/paul/progress_bar https://github.com/paul/progress_bar