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| HDF5 Last Updated on 2026-07-28 The HDF5 Field Guide

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Fortran High Level Optimized Interface

## Detailed Description

See also
  HDF5 Optimizations APIs (H5DO), C-HL API
  HDF5 High Level Optimizations, User Guide

## Modules
module | h5do
| This module contains Fortran interfaces for H5DO.

## Functions/Subroutines
subroutine | h5doappend_f (dset_id, dxpl_id, axis, extension, memtype, buf, errcode)
| Appends data to a dataset along a specified dimension.

## Function/Subroutine Documentation

## ◆ h5doappend_f()

subroutine h5doappend_f | ( | integer(hid_t), intent(in) | dset_id,
|  | integer(hid_t), intent(in) | dxpl_id,
|  | integer, intent(in) | axis,
|  | integer(size_t), intent(in) | extension,
|  | integer(hid_t), intent(in) | memtype,
|  | type(c_ptr) | buf,
|  | integer, intent(out) | errcode )

Appends data to a dataset along a specified dimension.

Parameters

  dset_id | Dataset identifier
  dxpl_id | Dataset transfer property list identifier
  axis | Dataset Dimension (0-based) for the append
  extension | Number of elements to append for the axis-th dimension
  memtype | The memory datatype identifier
  buf | Buffer with data for the append
  errcode | Returns 0 if successful and -1 if it fails.

See C API: H5DOappend()