pv: pv 1.2.0 (Pipe viewer)  
pv:  
pv: pv - Pipe Viewer - is a terminal-based tool for monitoring the progress of 
pv: data through a pipeline. It can be inserted into any normal pipeline 
pv: between two processes to give a visual indication of how quickly data is 
pv: passing through, how long it has taken, how near to completion it is, and 
pv: an estimate of how long it will be until completion.  
pv: 
pv: 
pv: 
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