report() Print (to sys.stdout) a comparison between a and b.

left_only Files and subdirectories only in a.

left_list Files and subdirectories in a, filtered by hide and ignore.

left The directory a.

funny_files Files which are in both a and b, but could not be compared.

diff_files Files which are in both a and b, whose contents differ according to the class’s file comparison operator.

common_funny Names in both a and b, such that the type differs between the directories, or names for which os.stat() reports an error.

common_files Files in both a and b.

common_dirs Subdirectories in both a and b.

common Files and subdirectories in both a and b.