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| HDF5 Last Updated on 2026-03-23 The HDF5 Field Guide

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H5LTff.F90 File Reference
`#include <H5config_f.inc>`

## Modules
module | h5lt
| This module contains Fortran interfaces for H5LT.

## Functions/Subroutines
integer function | h5ltfind_dataset_f (loc_id, dset_name)
| Determines whether a dataset exists.
subroutine | h5ltget_attribute_double_f (loc_id, obj_name, attr_name, buf, errcode)
| Reads an attribute from disk.
subroutine | h5ltget_attribute_f (loc_id, obj_name, attr_name, buf, buf_type, sizeof_buf_type, errcode)
| Reads an attribute from disk.
subroutine | h5ltget_attribute_float_f (loc_id, obj_name, attr_name, buf, errcode)
| Reads an attribute from disk.
subroutine | h5ltget_attribute_info_f (loc_id, obj_name, attr_name, dims, type_class, type_size, errcode)
| Gets information about an attribute.
subroutine | h5ltget_attribute_int_f (loc_id, obj_name, attr_name, buf, errcode)
| Reads an attribute from disk.
subroutine | h5ltget_attribute_ndims_f (loc_id, obj_name, attr_name, rank, errcode)
| Gets the dimensionality of an attribute.
subroutine | h5ltget_attribute_string_f (loc_id, obj_name, attr_name, buf, errcode)
| Reads an attribute from disk.
subroutine | h5ltget_dataset_info_f (loc_id, dset_name, dims, type_class, type_size, errcode)
| Retrieves information about a dataset.
subroutine | h5ltget_dataset_ndims_f (loc_id, dset_name, rank, errcode)
| Gets the dimensionality of a dataset.
subroutine | h5ltmake_dataset_f (loc_id, dset_name, rank, dims, type_id, buf, errcode)
| Creates and writes a dataset of a type `type_id`.
subroutine | h5ltmake_dataset_f (loc_id, dset_name, rank, dims, type_id, buf, errcode)
| Creates and writes a dataset of a type `type_id`.
subroutine | h5ltpath_valid_f (loc_id, path, check_object_valid, path_valid, errcode)
| Determines whether an HDF5 path is valid and, optionally, whether the path resolves to an HDF5 object.
subroutine | h5ltread_dataset_f (loc_id, dset_name, type_id, buf, dims, errcode)
| Reads a dataset of a type `type_id`.
subroutine | h5ltread_dataset_f (loc_id, dset_name, type_id, buf, errcode)
| Reads a dataset of a type `type_id`.
subroutine | h5ltset_attribute_double_f (loc_id, obj_name, attr_name, buf, size, errcode)
| Creates and writes an attribute.
subroutine | h5ltset_attribute_f (loc_id, dset_name, attr_name, buf, buf_type, sizeof_buf_type, size, errcode)
| Creates and writes an attribute and is a generic replacement for data type specific Fortran h5ltset_attribute_*_f APIs. There is no C equivalent API.
subroutine | h5ltset_attribute_float_f (loc_id, obj_name, attr_name, buf, size, errcode)
| Creates and writes an attribute.
subroutine | h5ltset_attribute_int_f (loc_id, obj_name, attr_name, buf, size, errcode)
| Creates and writes an attribute.
subroutine | h5ltset_attribute_string_f (loc_id, obj_name, attr_name, buf, errcode)
| Creates and writes an attribute.