Initial import of the CDE 2.1.30 sources from the Open Group.

cde/programs/dtksh/ksh93/ship/pax/950811/copyright

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+type=proprietary
+corporation=AT&T
+company="Bell Laboratories"
+organization="Software Engineering Research Department"
+license=http://www.research.att.com/orgs/ssr/book/reuse
+contact=gsf@research.att.com

cde/programs/dtksh/ksh93/ship/pax/950811/items

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+libvdelta libodelta libast

cde/programs/dtksh/ksh93/ship/pax/950811/owner

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+gsf

cde/programs/dtksh/ksh93/ship/pax/950811/promo

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+.H 1 pax
+.B pax
+is a POSIX 1003.2 conformant replacement for
+.B tar
+and
+.B cpio
+that handles most UNIX archive and tape formats.
+.B pax
+uses the
+.I vdelta
+algorithm to construct efficient delta archives that contain bytewise
+changes from a given base archive. 
+.B gzip
+and
+.B compress
+archives are also handled on input and output.
+.P
+To create a
+.I vdelta
+compressed base archive:
+.EX
+tw | pax -w -f base -z -
+.EE
+To create a delta archive on the base above (record file changes only):
+.EX
+tw | pax -w -f delta -z base
+.EE
+To read the delta archive:
+.EX
+pax -r -f delta -z base
+.EE
+To create a delta archive from linux-1.2.0 to linux-1.2.5:
+.EX
+pax -rf linux-1.2.5.tar.gz -wf 0-5.pax.gz -x gzip -z linux-1.2.0.tar.gz
+.EE
+To create the linux-1.2.5 archive:
+.EX
+pax -rf 0-5.pax.gz -z linux-1.2.0.tar.gz -wf linux-1.2.5.tar.gz -x tar -x gzip
+.EE
+The
+.B bax
+script, shipped with
+.BR pax ,
+combines
+.B tw
+and
+.B pax
+for handy backup control.