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| HDF5 Last Updated on 2025-11-11 The HDF5 Field Guide

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The HDF5 h5mkgrp Tool

Navigate back: Main / HDF5 User Guide / Command Line Tools for HDF5 Files

# h5mkgrp

## Introduction

With h5mkgrp, you can create group(s) in an HDF5 file

## Usage

#### h5mkgrp [OPTIONS] FILE GROUP

## Error Report Option

- –enable-error-stack Prints messages from the HDF5 error stack as they occur. Optional value 2 also prints file open errors, –enable-error-stack=2.

## Options

- –help Print a usage message and exit
- –version Print the library version number and exit
- –verbose Print information about OBJECTS and OPTIONS
- –latest Use latest version of file format to create groups
- –parents No error if existing, make parent groups as needed
- –vol-value Value (ID) of the VOL connector to use for opening the HDF5 file specified
- –vol-name Name of the VOL connector to use for opening the HDF5 file specified
- –vol-info VOL-specific info to pass to the VOL connector used for opening the HDF5 file specified.
  If none of the above options are used to specify a VOL, then the VOL named by HDF5_VOL_CONNECTOR (or the native VOL connector, if that environment variable is unset) will be used
- –vfd-value Value (ID) of the VFL driver to use for opening the HDF5 file specified
- –vfd-name Name of the VFL driver to use for opening the HDF5 file specified
- –vfd-info VFD-specific info to pass to the VFL driver used for opening the HDF5 file specified

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Navigate back: Main / HDF5 User Guide / Command Line Tools for HDF5 Files