Procs

proc cfToCL(path: string; subCmdName = ""; quiet = false; noRaise = false;
            activeSec = false): seq[string] {.
    ...raises: [IOError, OSError, Exception, ValueError],
    tags: [WriteIOEffect, ReadIOEffect, RootEffect, ReadEnvEffect], forbids: [].}

Drive Nim stdlib parsecfg to get either specific subcommand parameters if subCmdName is non-empty or else global command parameters.

proc envToCL(evarName: string): seq[string] {....raises: [IOError],
    tags: [ReadEnvEffect, WriteIOEffect], forbids: [].}