10 creating a modulefile – HP XC System 4.x Software User Manual

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In this example, a user attempted to load the ifort/8.0 modulefile. After the user issued the
command to load the modulefile, an error message occurred, indicating a conflict between this
modulefile and the ifort/8.1 modulefile, which is already loaded.

When a modulefile conflict occurs, unload the conflicting modulefile before loading the new
modulefile. In the previous example, you should unload the ifort/8.0 modulefile before
loading the ifort/8.1 modulefile. For information about unloading a modulefile, see

“Unloading a Modulefile” (page 37)

Note:

To avoid problems, HP recommends that you always unload one version of a modulefile before
loading another version.

3.10 Creating a Modulefile

If you download or install a software package into a private directory, you can create your own
(private) modulefile for products that you install by using the following general steps:

Create a private modulefiles directory.

Copy an existing modulefile (to use as a template), or copy the software's corresponding
default modulefile from under /opt/modules/modulefiles, into the private modulefiles
directory.

Edit and modify the modulefile accordingly.

To install a variant of a product or package already on the system, copy the existing modulefile
for that product to an appropriate name, and edit it accordingly to accommodate the
newly-installed product variant.

To install a random product or package should look at the manpages for modulefiles, examine
the existing modulefiles, and create a new modulefile for the product being installed using
existing modulefiles as a template. To view modules manpages, load the modules modulefile
and then display the modulefile manpage:

$ module load modules
$ man modulefile

Read the manpages for modules so that you know how to create a directory for your private
modulefiles and how to use the module use module command to use your private
modules.

Configuring Your Environment with Modulefiles