hql_write: Write HDF Dataset or Attribute

In hdfqlr: Interface to 'HDFql' API

Description

Write a dataset or attribute to an HDF file.

Usage

hql_write_dataset(
  dataset,
  path,
  include.attributes = TRUE,
  overwrite = FALSE,
  parallel = FALSE
)

hql_write_attribute(attribute, path, overwrite = FALSE, parallel = FALSE)

hql_write_all_attributes(attributes, path, overwrite = FALSE, parallel = FALSE)

Arguments

dataset	The dataset to write. The object must be coercible to an array.
path	The location within the HDF file to write the dataset or attribute(s).
include.attributes	If TRUE, write the dataset attributes.
overwrite	If TRUE, overwrite existing dataset or attribute.
parallel	Use parallel processing functionality.
attribute	The attribute to write.
attributes	A list of attributes to write.

Functions

• hql_write_dataset: Write a dataset to an HDF file.

• hql_write_attribute: Write an attribute to an HDF file.

• hql_write_all_attributes: Write multiple attributes to an HDF file.

Examples

if(hql_is_loaded()){
  tf = tempfile(fileext = ".h5")
  hql_create_file(tf)

  hql_use_file(tf)
  x = matrix(rnorm(100), nrow = 20)
  hql_write_dataset(x, "dataset0")
  hql_write_attribute("normal", "dataset0/dist")

  y = month.name
  attr(y, "abbreviation") = month.abb
  hql_write_dataset(y, "group1/dataset1")

  hql_close_file(tf)
}

hdfqlr documentation built on June 11, 2021, 9:08 a.m.