You can attach pv to an existing process. IIRC it's the -p option. | Hacker News

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		rlpb on May 19, 2023 \| parent \| context \| favorite \| on: Linux tool to show progress for cp, mv, dd You can attach pv to an existing process. IIRC it's the -p option.

everybodyknows on May 20, 2023 [–]

-p is same as "--progess":

https://linux.die.net/man/1/pv

rlpb on May 22, 2023 | [–]

Ah, it was -d I was thinking of. Anyway, the point is that you can run pv retrospectively just fine while your slow command is running.

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