pv (Pipe Viewer) 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 an estimate of how long it will be until completion.
License: Artistic License
Changes:
SIGINT, SIGHUP, and SIGTERM are trapped so that
IPCs are cleaned up on exit. The program is
aborted if a numeric option, such as -L, has a
non-numeric value. Compilation fixes were made for
Darwin 9 and Mac OS X.
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