-language <language>
-lang <language>
This option changes the language of messages produced by Atomsk.
The languages available for now are:
To make this change permanent, you may set up a configuration file.
By default, on GNU/Linux systems the environment variable $LANG is read, and if it is set to a language in the list above then Atomsk will use that language. On Microsoft® Windows® environments English is used by default. This default is overridden by the one defined in the user configuration file. Finally, the command-line option -lang overrides all previous definitions.
atomsk initial.gin cfg -lang fr
This will read initial.gin and convert it to CFG. All messages will be displayed in French.