Anyone ever play with pv?
In Ubuntu it's
sudo apt-get install pv
I'm not sure of the utility of it, but it can be used in place of cat
to register the progress of time for a process.
>From the man page:
pv allows a user to see the progress of data through a pipeline, by
giving information such as time elapsed, percentage completed (with
progress bar), current throughput rate, total data transferred, and
ETA.
To use it, insert it in a pipeline between two processes, with the
appropriate options. Its standard input will be passed through to its
standard output and progress will be shown on standard error.
pv will copy each supplied FILE in turn to standard output (- means
standard input), or if no FILEs are specified just standard input is
copied. This is the same behaviour as cat(1).
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