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iRODS Client - iCommands

This repository hosts the client iCommands, the default command line interface to iRODS.

The client iCommands are released as a single package called irods-icommands in the repository at

Once the repository is configured, the irods-icommands package can be installed via the package manager on any supported OS.


To build the iCommands, you will need the irods-dev and irods-runtime packages.

This is a CMake project and can be built with:

cd irods_client_icommands
mkdir build
cd build
cmake -GNinja ../
ninja package


The packages produced by CMake will install the ~50 iCommands, by default, into /usr/bin.

Build without any Package Repositories

If you need to build the iRODS iCommands without the use of any APT/YUM repositories, it will be necessary to build all the dependencies yourself. The steps include:

  1. Download, build, and install packages from
  2. Update your PATH to include the newly built CMake
  3. Download, build, and install irods-dev(el) and irods-runtime from
  4. Download, build, and install irods-icommands from

Our dependency chain will shorten as older distributions age out.

The current setup supports new C++ features on those older distributions.

Userspace Packaging

A userspace-tarball buildsystem target is provided to generate a userspace tarball package. This package will contain the iCommands and all required library dependencies. See packaging/userspace/ for an example of how to build and package the iCommands for userspace deployment.

Build Dependencies

The userspace packager needs a few extra packages to work properly:

  • Required: Python 3.6+.
  • Required: setuptools Python 3 package.
    • Available as python3-setuptools via yum/apt on Centos 7/Ubuntu.
    • Available as setuptools on PyPI.
  • Recommended: distro Python 3 module.
    • Required for Python 3.8+.
    • Available as python3-distro via apt on Ubuntu 18.04+.
    • Available as python36-distro via yum on Centos 7.
    • Available as distro on PyPI.
  • Recommended: lief Python 3 module, version 0.10.0+ (preferably 0.11.0+).
    • Available as lief on PyPI.
  • Recommended: chrpath tool
    • Available as chrpath via yum/apt on Centos/Ubuntu.

If you've got pip, the following one-liner should get all the Python dependencies installed:

python3 -m pip install lief setuptools distro