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github.com/pkg/xattr
Extended attribute support for Go (linux + darwin + freebsd + netbsd + solaris).
"Extended attributes are name:value pairs associated permanently with files and directories, similar to the environment strings associated with a process. An attribute may be defined or undefined. If it is defined, its value may be empty or non-empty." See more...
SetWithFlags
allows to additionally pass system flags to be forwarded to the underlying calls. FreeBSD and NetBSD do not support this and the parameter will be ignored.
The L
variants of all functions (LGet/LSet/...
) are identical to Get/Set/...
except that they
do not reference a symlink that appears at the end of a path. See
GoDoc for details.
const path = "/tmp/myfile"
const prefix = "user."
if err := xattr.Set(path, prefix+"test", []byte("test-attr-value")); err != nil {
log.Fatal(err)
}
var list []string
if list, err = xattr.List(path); err != nil {
log.Fatal(err)
}
var data []byte
if data, err = xattr.Get(path, prefix+"test"); err != nil {
log.Fatal(err)
}
if err = xattr.Remove(path, prefix+"test"); err != nil {
log.Fatal(err)
}
// One can also specify the flags parameter to be passed to the OS.
if err := xattr.SetWithFlags(path, prefix+"test", []byte("test-attr-value"), xattr.XATTR_CREATE); err != nil {
log.Fatal(err)
}
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