On 07/29/2012 03:59 AM, Michael Schwendt wrote:
The progress bar calculation would need to become very elegant, however, to not be degraded to Windows style installers, where it jumps back to 0%, then moves to 100% again, only to restart from 0% an unknown number of times. That may be good as a sign of life, but it's not really helpful as a progress status update.
Back in the Bad Old Days before GUI installers, the installation program would output a rather interesting series of characters:
-/-\ over and over. It would also put ^H, or backspace, between each pair of characters, so they all appeared in the same place, making it look like a spinning propeller. As long as it kept spinning, you knew that the program was working. Sometimes it would pause for a few seconds, then start up again, but it was never allowed to stay still for minutes at a time, so you'd know that the program hadn't hung. A GUI installer could easily do something similar.
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