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SETFATTR
Section: File Utilities (1) Updated: Extended Attributes Index
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NAME
setfattr - set extended attributes of filesystem objects
SYNOPSIS
setfattr [-h] -n name [-v value] pathname...
setfattr [-h] -x name pathname...
setfattr [-h] --restore=file
DESCRIPTION
The
setfattr
command associates a new
value
with an extended attribute
name
for each specified file.
OPTIONS
- -n name, --name=name
-
Specifies the name of the extended attribute to set.
- -v value, --value=value
-
Specifies the new value of the extended attribute. There are three methods
available for encoding the value. If the given string is enclosed in double
quotes, the inner string is treated as text. In that case, backslashes and
double quotes have special meanings and need to be escaped by a preceding
backslash. Any control characters can be encoded as a backslash followed by
three digits as its ASCII code in octal. If the given string begins with 0x or
0X, it expresses a hexadecimal number. If the given string begins with 0s or
0S, base64 encoding is expected. Also see the --encoding option of
getfattr(1).
- -x name, --remove=name
-
Remove the named extended attribute entirely.
- -h, --n-dereference
-
Do not follow symlinks. If
pathname
is a symbolic link, it is not followed, but is instead itself the
inode being modified.
- --restore=file
-
Restores extended attributes from file.
The file must be in the format generated by the
getfattr
command with the
--dump
option.
If a dash (-)
is given as the file name,
setfattr
reads from standard input.
- --raw
-
Do not decode the attribute value. Can be used to set values obtained with
getfattr-onl-values.
- --version
-
Print the version of
setfattr
and exit.
- --help
-
Print help explaining the command line options.
- --
-
End of command line options.
All remaining parameters are interpreted as file names, even if they
start with a dash character.
EXAMPLES
Add extended attribute to user namespace:
$ setfattr-n user.foo-v bar file.txt
To add md5sum of the file as an extended attribute:
# setfattr-n trusted.md5sum-v d41d8cd98f00b204e00998ecf8427e file.txt
AUTHOR
Andreas Gruenbacher,
< andreas.gruenbacher@gmail.com>
and the SGI XFS development team,
< linu-xfs@oss.sgi.com>.
Please send your bug reports or comments to
< https://savannah.nongnu.org/bugs/?group=attr>
or
< ac-devel@nongnu.org>.
SEE ALSO
getfattr(1),
xattr(7)
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- EXAMPLES
-
- AUTHOR
-
- SEE ALSO
-
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