python获取指定路径下所有指定后缀的文件,python后缀,# 获取指定路径下所有指


# 获取指定路径下所有指定后缀的文件# dir 指定路径# ext 指定后缀,链表&不需要带点 或者不指定。例子:['xml', 'java']def GetFileFromThisRootDir(dir,ext = None):    allfiles = []    needExtFilter = (ext != None)    for root,dirs,files in os.walk(dir):        for filespath in files:            filepath = os.path.join(root, filespath)            extension = os.path.splitext(filepath)[1][1:]            if needExtFilter and extension in ext:                allfiles.append(filepath)            elif not needExtFilter:                allfiles.append(filepath)    return allfiles

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