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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.

System Requirements

System requirement is not defined
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2010-12-14 22:46

An average rate display option was added to better show progress with bursty traffic. A consistent exit status is set to help script writers. Various minor cleanups and bug fixes were made.
標籤: Minor feature enhancements, Minor bugfixes

2008-03-06 14:22

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.
標籤: Minor feature enhancements

2007-08-30 16:30

A new "--remote" option was added to change the
settings of a PV already in progress. Another new
"--line-mode" option was added to get PV to count
lines instead of bytes. Resource usage of the
"--limit-rate" (rate limiting) option was
improved. Some cleanups and Mac OS X fixes were
標籤: Major feature enhancements

2007-08-05 13:31

The license was changed from Artistic to Artistic
2.0. The "--license" option was removed.
標籤: Documentation

2007-08-03 10:20

The program now acts more like "cat" in that it
just skips unreadable files instead of aborting.
Various code cleanups were done.
標籤: Code cleanup

Project Resources