真的吗? FilesThatDontMatch = AllFiles-FileThatDoMatch

很明显，您必须在指定的路径中检索所有文件，然后找到匹配的文件.这样，您将拥有两个等式.

Really?? FilesThatDontMatch = AllFiles - FileThatDoMatch

It should be pretty obvious you have to retrieve ALL the files in the path specified, then find the ones that match. That way, you''ll have both pieces of the equation.