Pipe Viewer (pv) is a terminal-based tool for monitoring the progress 
of data through a pipeline. It can be inserted into any normal pipeline
between two processes to give a visual indication of how quickly data 
is passing through, how long it has taken, how near to completion it is
and estimate of how long it will be until completion.

Hi list,

A nice tool to give you feedback on data-flow between pipes.

Simple test :

dd if=/dev/arandom bs=1m count=1000 | pv -s1g | dd of=/dev/null

Check the man page  for more inspiration.

Attachment: pv.tgz
Description: application/compressed-tar

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