diff options
Diffstat (limited to 'archivers/libarchive/files/doc/text/bsdtar.1')
| -rw-r--r-- | archivers/libarchive/files/doc/text/bsdtar.1 | 61 |
1 files changed, 50 insertions, 11 deletions
diff --git a/archivers/libarchive/files/doc/text/bsdtar.1 b/archivers/libarchive/files/doc/text/bsdtar.1 index 34205faa2f8..d6a22ea0e1a 100644 --- a/archivers/libarchive/files/doc/text/bsdtar.1 +++ b/archivers/libarchive/files/doc/text/bsdtar.1 @@ -87,11 +87,13 @@ OPTIONS filenames specified on the command line. --format format (-W format=format) - (c mode only) Use the specified format for the created archive. - Supported formats include ``cpio'', ``pax'', ``shar'', and - ``ustar''. Other formats may also be supported; see + (c, r, u mode only) Use the specified format for the created ar- + chive. Supported formats include ``cpio'', ``pax'', ``shar'', + and ``ustar''. Other formats may also be supported; see libarchive-formats(5) for more information about currently-sup- - ported formats. + ported formats. In r and u modes, when extending an existing ar- + chive, the format specified here must be compatible with the for- + mat of the existing archive on disk. -f file Read the archive from or write the archive to the specified file. @@ -127,6 +129,10 @@ OPTIONS a file appears more than once in an archive, later copies will not overwrite earlier copies. + --keep-newer-files (-W keep-newer-files) + (x mode only) Do not overwrite existing files that are newer than + the versions appearing in the archive being extracted. + -L (c and r mode only) All symbolic links will be followed. Nor- mally, symbolic links are archived as such. With this option, the target of the link will be archived instead. @@ -164,17 +170,23 @@ OPTIONS null characters, not by newlines. This is often used to read filenames output by the -print0 option to find(1). + --numeric-owner + (x mode only) Ignore symbolic user and group names when restoring + archives to disk, only numeric uid and gid values will be obeyed. + -O (x, t modes only) In extract (-x) mode, files will be written to standard out rather than being extracted to disk. In list (-t) mode, the file listing will be written to stderr rather than the usual stdout. - -o (x mode only) Use the user and group of the user running the pro- - gram rather than those specified in the archive. Note that this - has no significance unless -p is specified, and the program is - being run by the root user. In this case, the file modes and - flags from the archive will be restored, but ACLs or owner infor- - mation in the archive will be discarded. + -o (x mode) Use the user and group of the user running the program + rather than those specified in the archive. Note that this has + no significance unless -p is specified, and the program is being + run by the root user. In this case, the file modes and flags + from the archive will be restored, but ACLs or owner information + in the archive will be discarded. + + -o (c, r, u mode) A synonym for --format ustar --one-file-system (-W one-file-system) (c, r, and u modes) Do not cross mount points. @@ -204,12 +216,30 @@ OPTIONS entries overwrite earlier entries. This option is provided as a performance optimization. + -S (x mode only) Extract files as sparse files. For every block on + disk, check first if it contains only NULL bytes and seek over it + otherwise. This works similiar to the conv=sparse option of dd. + --strip-components count (-W strip-components=count) (x and t mode only) Remove the specified number of leading path elements. Pathnames with fewer elements will be silently skipped. Note that the pathname is edited after checking inclu- sion/exclusion patterns but before security checks. + -s pattern + Modify file or archive member names according to pattern. The + pattern has the format /old/new/[gps]. old is a basic regular + expression. If it doesn't apply, the pattern is skipped. new is + the replacement string of the matched part. ~ is substituted + with the match, 1 to 9 with the content of the corresponding cap- + tured group. The optional trailing g specifies that matching + should continue after the matched part and stopped on the first + unmatched pattern. The optional trailing s specifies that the + pattern applies to the value of symbolic links. The optional + trailing p specifies that after a successful substitution the + original path name and the new path name should be printed to + standard error. + -T filename In x or t mode, tar will read the list of names to be extracted from filename. In c mode, tar will read names to be archived @@ -307,6 +337,15 @@ EXAMPLES Finally, it will switch to the /tmp directory and add foo2 to the output archive. + An input file in mtree(5) format can be used to create an output archive + with arbitrary ownership, permissions, or names that differ from existing + data on disk: + + $ cat input.mtree + usr/bin uid=0 gid=0 mode=0755 type=dir + usr/bin/ls uid=0 gid=0 mode=0755 type=file content=myls + $ tar -cvf output.tar @input.mtree + The --newer and --newer-mtime switches accept a variety of common date and time specifications, including ``12 Mar 2005 7:14:29pm'', ``2005-03-12 19:14'', ``5 minutes ago'', and ``19:14 PST May 1''. @@ -447,4 +486,4 @@ BUGS There are alternative long options for many of the short options that are deliberately not documented. -FreeBSD 6.0 April 13, 2004 FreeBSD 6.0 +FreeBSD 6.0 May 15, 2008 FreeBSD 6.0 |