hql_write {hdfqlr}

Write HDF Dataset or Attribute

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)
}