protected static boolean performActionInFileFromStartToEnd(File file, ItemAction action,int startIndex, int endIndex ){
        return performActionInFileFromStartToEndAndCloseAction(file, action, startIndex, endIndex, new ItemAction() {
            @Override
            public boolean doAction(File item) {
                return true;
            }
        });//Null close action
    }

    protected static boolean performActionInFile(File file, ItemAction action){
        return performActionInFileFromStartToEnd(file, action, 0, -1);//internal signal to do all
    }