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modules/INSTALL-win.rst
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.. _INSTALL-win:
Installing Modules on Windows
=============================
This document is an overview of building and installing Modules on a Windows
platform.
Requirements
------------
Modules consists of one Tcl script so to run it from a user shell the only
requirement is to have a working version of ``tclsh`` (version 8.5 or later)
available on your system. ``tclsh`` is a part of `Tcl`_.
.. _Tcl: http://www.tcl-lang.org/software/tcltk/
A specific distribution zipball is provided to install Modules on a Windows
platform. Content of this distribution zipball is ready for use and does not
require a specific build step. All scripts and documentation found in this
zipball are pre-built so there is no specific tools are required to install
Modules from the Windows-specific distribution zipball.
Installation instructions
-------------------------
1. Install a Tcl binary distribution for Windows like `ActiveTcl`_ or
`Magicsplat Tcl/Tk for Windows`_. Follow instructions provided with the
chosen distribution to install it.
.. _ActiveTcl: https://www.activestate.com/products/tcl/
.. _Magicsplat Tcl/Tk for Windows: https://www.magicsplat.com/tcl-installer/
2. Once installed, verify that the ``tclsh`` command is correctly found in
defined ``PATH`` by typing the following command from a Windows ``cmd``
shell (``windows`` string should be obtained as result)::
> echo puts $tcl_platform(platform) | tclsh
windows
3. Download Modules specific distribution zipball for Windows from
`SourceForge`_ or `GitHub`_. Such distribution archives are available
for Modules release starting version ``4.5.0`` and can be distinguished
from the source tarball by the ``-win`` suffix in their name.
.. _SourceForge: https://sourceforge.net/projects/modules/files/Modules/
.. _GitHub: https://github.com/cea-hpc/modules/releases
4. Unpack downloaded zip file then enter deflated directory and execute the
``INSTALL.bat`` script file found in it. This script installs files by
default in ``C:\Program Files\Environment Modules\`` directory and adds the
``bin`` directory in this installation location to the system-wide ``PATH``
environment variable.
.. note:: ``INSTALL.bat`` script may require to be run with administrator
rights to perform installation correctly.
5. Once installed, verify that the ``module`` command is correctly found in
defined ``PATH`` by typing the following command from a Windows ``cmd``
shell::
> module -V
Modules Release 4.4.1 (2020-01-03)
Installation location can be adapted by running the ``INSTALL.bat`` script
from a ``cmd`` console shell and passing desired installation target as
argument. For instance to install Modules in ``C:\EnvironmentModules``
directory::
> INSTALL.bat C:\EnvironmentModules
Modules installation is now operational and you can setup your modulefiles. By
default, the ``modulefiles`` directory in installation directory is defined as
a modulepath and contains few modulefile examples::
> module avail
------- C:/Program Files/Environment Modules/modulefiles --------
module-git module-info null
Documentation of the :ref:`module(1)` and :ref:`ml(1)` commands and
:ref:`modulefile(4)` syntax can be found in the ``doc`` directory in
installation directory.