How to set environment variables in Calibre Interactive for rule file control

Video created by swilliam on Oct 7, 2014

    This video shows how to set environment variables with Calibre Interactive. Many rule files use environment variables and conditional

    statements to control rule file execution; for example, check selection is often done with environment variables. You can set the environment

    variables in Calibre Interactive without going to the shell environment, and save the settings in a Calibre Interactive runset.