Display Progress and Speed When Using ‘cp’ Command

I ran across an interesting method for getting ‘cp’ to show progress and speeds as well. Take a look at the page here:

There is some controversy to it since there is so much overhead (through strace, awk, etc), but the thought is very cool. I wonder if there’s a better way of doing this… the pv command maybe? Or a more in-depth solution?

I noticed that gnome introduced this sort of information in the copy file dialog. It get’s me wondering how they did that (and even more-so how accurate it really is).

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