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(extracting files): Mention --to-stdout.

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(Option Summary, Dealing with Old Files): New option --overwrite-dir.
(Overwrite Old Files): Likewise.
This commit is contained in:
Paul Eggert
2001-09-21 22:19:09 +00:00
parent cc818a584f
commit 7a1b6cfa67
1 changed files with 16 additions and 0 deletions
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doc/tar.texi
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@@ -1864,6 +1864,10 @@ specify @w{@kbd{tar --extract --file=bfiles.tar ./birds}}. To find the
exact member names of the members of an archive, use @value{op-list}
(@pxref{list}).
You can extract a file to standard output by combining the above options
with the @option{--to-stdout} option (@pxref{Writing to Standard
Output}).
If you give the @value{op-verbose} option, then @value{op-extract} will
print the names of the archive members as it extracts them.
@@ -2799,6 +2803,11 @@ directory. @FIXME-xref{}
Overwrite existing files and directory metadata when extracting files
from an archive. @xref{Overwrite Old Files}.
@item --overwrite-dir
Overwrite the metadata of existing directories when extracting files
from an archive. @xref{Overwrite Old Files}.
@item --owner=@var{user}
Specifies that @command{tar} should use @var{user} as the owner of members
@@ -4171,6 +4180,9 @@ member. Instead, it reports an error.
To be more aggressive about altering existing files, use the
@value{op-overwrite} option. It causes @command{tar} to overwrite
existing files and to follow existing symbolic links when extracting.
The @option{--overwrite-dir} option is somewhat more conservative than
@value{op-overwrite}: it overwrites metadata (ownership, permission,
etc.) for directories, but removes other files before extracting them.
Some people argue that @sc{gnu} @command{tar} should not hesitate to overwrite
files with other files when extracting. When extracting a @command{tar}
@@ -4217,6 +4229,10 @@ combined with the @value{op-absolute-names} option, as this combination
can change the contents, ownership or permissions of any file on your
system. Also, many systems do not take kindly to overwriting files that
are currently being executed.
@item --overwrite-dir
Overwrite the metadata of directories when extracting files from an
archive, but remove other files before extracting.
@end table
@node Keep Old Files