global proc int getFG_orWhatever(){
        
        int $state = `getAttr "miDefaultOptions.finalGather"`;
        return $state;
}

condition -i -st getFG_orWhatever isFG_enabled;

//    Create a new condition, called "UndoNorRedo", which is true if
//    and only if undo is not available and redo is not available:

global proc int isUndoNorRedo()
{
    return (!`isTrue UndoAvailable` && !`isTrue RedoAvailable`);
}

condition
    -initialize
    -d UndoAvailable
    -d RedoAvailable
    -s "isUndoNorRedo"
    UndoNorRedo;

whatIs UndoAvailable;