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Full Discussion: USTAR tar archive
Operating Systems Solaris USTAR tar archive Post 302492508 by snchaudhari2 on Monday 31st of January 2011 08:19:58 PM
Old 01-31-2011
USTAR tar archive

Hello Admins,

I am facing an issue with ustar tar archive on solaris 10.

By mistake I have created ustar tar archive of /var/adm/messages file on solaris10.
I am trying to untar the /var/adm/messages file . but I am not getting the original text messages file.

I user tar -xvf /var/adm/messages...

but no luck

Help appreciated

---------- Post updated at 08:19 PM ---------- Previous update was at 05:41 PM ----------

HI...
i guess it has overwritten all the file from /var/adm directory to
/var/adm/messages ustar archive file...

Oh...I think I lost my /var/adm/messages file......

Please suggest
 

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ARCHIVE_WRITE_FORMAT(3) 				   BSD Library Functions Manual 				   ARCHIVE_WRITE_FORMAT(3)

NAME
archive_write_set_format_cpio, archive_write_set_format_pax, archive_write_set_format_pax_restricted, archive_write_set_format_shar, archive_write_set_format_shar_dump, archive_write_set_format_ustar -- functions for creating archives LIBRARY
Streaming Archive Library (libarchive, -larchive) SYNOPSIS
#include <archive.h> int archive_write_set_format_cpio(struct archive *); int archive_write_set_format_pax(struct archive *); int archive_write_set_format_pax_restricted(struct archive *); int archive_write_set_format_shar(struct archive *); int archive_write_set_format_shar_dump(struct archive *); int archive_write_set_format_ustar(struct archive *); DESCRIPTION
These functions set the format that will be used for the archive. The library can write POSIX octet-oriented cpio format archives, POSIX-standard ``pax interchange'' format archives, traditional ``shar'' ar- chives, enhanced ``dump'' shar archives that store a variety of file attributes and handle binary files, and POSIX-standard ``ustar'' ar- chives. The pax interchange format is a backwards-compatible tar format that adds key/value attributes to each entry and supports arbitrary filenames, linknames, uids, sizes, etc. ``Restricted pax interchange format'' is the library default; this is the same as pax format, but suppresses the pax extended header for most normal files. In most cases, this will result in ordinary ustar archives. RETURN VALUES
These functions return ARCHIVE_OK on success, or ARCHIVE_FATAL. ERRORS
Detailed error codes and textual descriptions are available from the archive_errno() and archive_error_string() functions. SEE ALSO
tar(1), libarchive(3), archive_write(3), archive_write_set_options(3), cpio(5), mtree(5), tar(5) BSD
February 2, 2012 BSD
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