H5Lmove: Move a link within an HDF5 file

In grimbough/rhdf5: R Interface to HDF5

Move a link within an HDF5 file

Description

Move a link within an HDF5 file

Usage

H5Lmove(h5loc, name, h5loc_dest, name_dest, lcpl = NULL, lapl = NULL)

Arguments

h5loc	An object of class H5IdComponent representing a H5 location identifier (file or group) where the new link is placed.
name	The name of the link to be moved.
h5loc_dest	H5IdComponent object representing the H5 location where the new link should be created.
name_dest	Name of the new link to be created
lcpl, lapl	Link creation and link access property lists to be associated with the new link. Leaving these arguments as NULL will use the HDF5 default property lists.

Examples

## create an HDF5 file with a single group
## that contains a dataset of 10 numbers
h5file <- tempfile(fileext = ".h5")
h5createFile(h5file)
h5createGroup(h5file, "/foo")
h5write(1:10, h5file, name = "/foo/vector1")
## check the structure is what we expect
h5ls(h5file)

## open the file, the group where the dataset currently is
## and the root group
fid <- H5Fopen(name = h5file)
gid1 <- H5Gopen(fid, "/foo")
gid2 <- H5Gopen(fid, "/")
## move the dataset to the root of the file and rename it
H5Lmove(gid1, "vector1", gid2, "vector_new")
h5closeAll()
## check the dataset has moved out of the foo group
h5ls(h5file)

## we can also provide the ID of the HDF5 file
## and use the "name" arguments to move between groups
fid <- H5Fopen(name = h5file)
H5Lmove(fid, "/vector_new", fid, "/foo/vector_newer")
H5Fclose(fid)
h5ls(h5file)

grimbough/rhdf5 documentation built on Sept. 14, 2024, 8:41 a.m.