Delete attribute

Deletes an attribute associated with a group or dataset within an HDF5 file.

Usage

h5deleteAttribute(file, name, attribute)

Arguments

file

The filename (character) of the file in which the object is located.

name

The name of the object to which the attribute belongs.

attribute

Name of the attribute to be deleted.

Value

TRUE if the attribute was deleted, FALSE if it was not found or could not be deleted.

Author

Mike Smith

Examples

h5File <- tempfile(pattern = "ex_createAttribute.h5")
h5createFile(h5File)
h5write(1:1, h5File, "A")
fid <- H5Fopen(h5File)
did <- H5Dopen(fid, "A")
h5createAttribute(did, "time", c(1, 10))
#> [1] TRUE
h5readAttributes(h5File, "A")
#> Warning: An open HDF5 file handle exists. If the file has changed on disk meanwhile, the function may not work properly. Run 'h5closeAll()' to close all open HDF5 object handles.
#> $`rhdf5-NA.OK`
#> [1] 1
#> 
#> $time
#>      [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
#> [1,]    0    0    0    0    0    0    0    0    0     0
#> 
h5deleteAttribute(h5File, "A", "time")
#> Warning: An open HDF5 file handle exists. If the file has changed on disk meanwhile, the function may not work properly. Run 'h5closeAll()' to close all open HDF5 object handles.
h5readAttributes(h5File, "A")
#> Warning: An open HDF5 file handle exists. If the file has changed on disk meanwhile, the function may not work properly. Run 'h5closeAll()' to close all open HDF5 object handles.
#> $`rhdf5-NA.OK`
#> [1] 1
#> 
H5Dclose(did)
H5Fclose(fid)