tar xvf to a different directory? Post: 302407199

Maybe you are looking for this?

Code:

tar cvf - cur_directory  | (cd newdirectory &&  tar xvf -)

Hi Dennis,

Unfortunately, am tarring xvf from a file

---------- Post updated at 07:12 PM ---------- Previous update was at 07:09 PM ----------

Quote:

Originally Posted by methyl

I think you have justifiable cause to ask the third party to use relative paths when creating an archive with "tar".

jlliagre's idea of using "pax" is good. It has saved me much time before.

What Operating System and version are you using to read the "tar" archives. Do you have pax"?

As I am sure you know, "tar -tvf" will list the filenames on the archive enabling you to check whether you have a clash with your system. We don't know the structure of your filesystems in relation to the directory structure of the "tar" archive or whether this involves active files or programs.

Personally if I had to deal with unsolicited "tar" archives I would use an intermediate computer to inpect, expand (with "pax" to a controlled filesystem), check for viruses, perform basic data validation, and then transfer to the main computer for processing.

Hi metyhl,

Am on AIX, did a which and there is /usr/bin/pax

I'll check on the man pages and see how it works, never used it before. As per jlliagre's post, I can use pax to extract from tar files as well, is that correct?

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LEARN ABOUT FREEBSD

archive_write_set_format_cpio

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