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- This is a public domain tar(1) replacement. It implements the 'c',
- 'x', and 't' commands of Unix tar, and many of the options. It creates
- P1003 "Unix Standard" [draft 6] tapes by default, and can read and
- write both old and new formats. It can decompress tar archives when
- reading them from disk files (using the 'z' option), but cannot do so
- when writing, or when reading from a tape drive. Its verbose output
- looks more like "ls -l" than the Unix tar, and even lines up the
- columns. It is a little better at reading damaged tapes than Unix tar.
-
- It is designed to be a lot more efficient than the standard Unix tar;
- it does as little bcopy-ing as possible, and does file I/O in large
- blocks. On the other hand, it has not been timed or performance-tuned;
- it's just *designed* to be faster.
-
- On the Sun, the tar archives it creates under the 'old' option are
- byte-for-byte the same as those created by /bin/tar, except the trash
- at the end of each file and at the end of the archive.
-
- It was written and initially debugged on a Sun Workstation running
- 4.2BSD. It has been run on Xenix, Unisoft, Vax 4.2BSD, V7, and USG
- systems. I'm interested in finding people who will port it to other
- types of (Unix and non-Unix) systems, use it, and send back the
- changes; and people who will add the obscure tar options that they
- happen to use and I don't. In particular, VMS, MSDOS, Mac, Atari and
- Amiga versions would be handy.
-
- It still has a number of loose ends, marked by "FIXME" comments in the
- source. For example, it does not chown() extracted files. Fixes to
- these things are also welcome.
-
- I am the author of all the code in this program. I hereby place it in
- the public domain. If you modify it, or port it to another system,
- please send me back a copy, so I can keep a master source.
-
- John Gilmore
- Nebula Consultants
- 1504 Golden Gate Ave.
- San Francisco, California, USA 94115
- +1 415 931 4667 voice
- hoptoad!gnu data
- jgilmore@lll-crg.arpa data
- Hoptoad talks to sun, ptsfa, well, lll-crg, ihnp4, cbosgd, ucsfcgl, pyramid.
-
- @(#)README 1.5 86/10/29
-