CRC64
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Synopsis:
   crc64.exe [OPTIONS] [<file_1> [<file_2> ... <file_n>]]

Options:
   --help --version  Print help screen / show version information
   --binary          Output the digest in binary format (default is hex-format)
   --decimal         Output the digest in decimal string format
   --upper-case      Print hex-string in upper-case letters (default is lower-case)
   --no-padding      Print the digest *without* any leading zeros
   --silent          Suppress error messages
   --ignore-errors   Ignore I/O errors and proceeed with the next file