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Please give me your LTO-4 or better tape library and I'll put it to good use.
Port details
zpaq Journaling, incremental, deduplicating archiver
6.22 archivers Deleted on this many watch lists=0 search for ports that depend on this port Find issues related to this port Report an issue related to this port
Maintainer: danfe@FreeBSD.org search for ports maintained by this maintainer
Port Added: 20 Mar 2013 03:37:03
License: GPLv3
ZPAQ is a journaling, incremental, deduplicating archiver for Windows and
Unix.  "Journaling" means that when you update a file or directory, both the
old and new versions are saved.  You can extract from the archive as it
existed at any time in the past.

"Incremental" means that when you back up your entire hard drive, only those
files whose last-modified date has changed since the previous backup are
added.  For 100 GB of files, this typically takes 1-2 minutes, vs. few hours
to create the first version.

"Deduplicating" means that identical files or fragments are stored only once
to save time and space.

Files are compressed in the open standard ZPAQ format, which is supported by
a specification, reference decoder, and a test case (which should decode to
the Calgary corpus), and a public domain C++ API that provides compression
and decompression services.  The format is not known to be encumbered by any
patents.  ZPAQ stores the decompression algorithm description in the archive,
which means that when archive is updated to a better compression algorithm,
older extractors will still be able to read the new archives.

WWW: http://mattmahoney.net/dc/zpaq.html
SVNWeb : Homepage : Distfiles Availability : PortsMonThere are no ports dependent upon this port

No installation instructions: this port has been deleted.

The package name of this deleted port was: zpaq


Configuration Options
     No options to configure

Master Sites:
  1. ftp://ftp.FreeBSD.org/pub/FreeBSD/ports/distfiles/
  2. http://mattmahoney.net/dc/

Number of commits found: 2

Commit History - (may be incomplete: see SVNWeb link above for full details)
DateByDescription
20 Mar 2013 04:13:19
Original commit files touched by this commit  6.22
Revision:314710
danfe search for other commits by this committer
Remove, it's part of the archivers/paq.
20 Mar 2013 03:36:44
Original commit files touched by this commit  6.22
Revision:314709
danfe search for other commits by this committer
Add zpaq 6.22, a journaling, incremental, deduplicating archiver.

Number of commits found: 2

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