NAME
gfxattr - Manipulate extended attributes in Gfarm file system
SYNOPSIS
gfxattr [ -s | -g | -l | -r ] [ -x ] [ -c | -m ] [ -f xattrfile ] file
[ xattrname ]
DESCRIPTION
gfxattr manipulates extended attributes and XML extended attributes of
a specified file. An extended attribute consists of an attribute name
and an attribute value, which are arbitrary strings. An XML extended
attribute is an extended attribute having an XML attribute value.
Since XML extended attributes have a different name space from extended
attributes, the same attribute name can be used.
When the -x option is specified, XML extended attributes are
manipulated. It is possible to search XML extended attributes by XPath
query using gffindxmlattr command.
All files and directories in Gfarm file system can keep extended
attributes. When removing a file or directory, the associated extended
attributes are also removed.
Either -s, -g, -l, or -r option should be specified.
OPTIONS
-s sets a new value with an extended attribute xattrname for a
specified file. With the -f option, the value can be specified
by the file xattrfile instead of by the standard input. When
neither -c nor -m option is specified, the extended attribute is
overwritten if it is already set.
-g reads a value with an extended attribute xattrname for a
specified file.
-l display a list of extended attributes for a specified file.
-r removes a extended attribute xattrname for a specified file.
-x manipulates XML extended attributes.
-c sets a new extended attribute if it is not set. This option is
used with the -s option.
-m modifies the extended attribute if there it is. This option is
used with the -s option.
-f xattrfile
With the -s option, reads an extended attribute from the
specified xattrfile instead of from the standard input. With
the -g option, writes the extended attribute to the specified
xattrfile instead of to the standard output.
-? displays usage.
SEE ALSO
gffindxmlattr(1)