creates *os.File for the given path.

CreatePolicies creates a Policies object from the scope and events maps.

PrepareFilterMapsForPolicies prepares the scope and events PolicyFilterMap for the policies.

PrintAndExitIfHelp checks if any of the help flags are set and prints the relevant help message.

PolicyEventMap maps policy id to its pre-parsed event flag fields.

PolicyScopeMap maps policy id to its pre-parsed scope flag fields.