循环遍历工作簿文件夹，并使用Excel VBA将所有工作表导出为制表符分隔的文本

I pieced together an Excel VBA script that writes all worksheets in an open workbook to separate, tab-delimited files (is this still a "macro"? I'm learning this in an Excel vacuum). It works well on one workbook at a time. Here it is.I pieced together an Excel VBA script that writ