Supported options:

-h

Display a short help message and exit.

-i

Compare names ignoring case distinctions.

-p

Enable paranoid checks. Compares extra fields and other meta data. (Automatically disabled if one of the archives is a directory.)

-q

Quiet mode. Compare -v.

-t

Test zip files by comparing the contents to their checksums.

-V

Display version information and exit.

-v

Verbose mode. Print details about differences to stdout. (This is the default.)