PV (Pipe Viewer) – add a progress bar to most command-line programs - https://news.ycombinator.com/item?id=23826845 - July 2020 (2 comments)
A Unix Utility You Should Know About: Pipe Viewer - https://news.ycombinator.com/item?id=8761094 - Dec 2014 (1 comment)
Pipe Viewer - https://news.ycombinator.com/item?id=5942115 - June 2013 (1 comment)
Pipe Viewer - https://news.ycombinator.com/item?id=4020026 - May 2012 (26 comments)
A Unix Utility You Should Know About: Pipe Viewer - https://news.ycombinator.com/item?id=462244 - Feb 2009 (63 comments)