$ solenc encrypt -d "$(solenc generate)" -k CRYPTONOMICON solitaire
KIRAK SFJAN

$ solenc decrypt -d "$(solenc generate)" -k CRYPTONOMICON "KIRAK SFJAN"
SOLIT AIREX

$ solenc --help
usage: solenc [-h] [-v VERBOSITY] {encrypt,decrypt,generate,add,subtract} ...

positional arguments:
  {encrypt,decrypt,generate,add,subtract}

optional arguments:
  -h, --help            show this help message and exit
  -v VERBOSITY, --verbosity VERBOSITY
                        The verbosity for the program to operate at

$ solenc encrypt --help
usage: solenc encrypt [-h] -d DECK [-k KEY] message

positional arguments:
  message               The plaintext to encrypt

optional arguments:
  -h, --help            show this help message and exit
  -d DECK, --deck DECK  A deck serialization, or filepath for a file
                        containing one.
  -k KEY, --key KEY     A key to apply to the initial state of the deck

$ solenc decrypt --help
usage: solenc decrypt [-h] -d DECK [-k KEY] message

positional arguments:
  message               The ciphertext to decrypt

optional arguments:
  -h, --help            show this help message and exit
  -d DECK, --deck DECK  A deck serialization, or filepath for a file
                        containing one.
  -k KEY, --key KEY     A key to apply to the initial state of the deck

$ solenc generate --help
usage: solenc generate [-h] [-d DECK] [-k KEY] [--shuffle]

optional arguments:
  -h, --help            show this help message and exit
  -d DECK, --deck DECK  An initial deck state to operate with. If omitted a
                        bridge order deck with both Jokers at the end will be
                        used.
  -k KEY, --key KEY     A key to apply to to the deck.
  --shuffle             If present the deck is shuffled. You probably only
                        want this if the other two options are omitted in
                        order to produce a random deck.

$ solenc add --help
usage: solenc add [-h] n m

positional arguments:
  n           The first term
  m           The second term

optional arguments:
  -h, --help  show this help message and exit

$ solenc subtract --help
usage: solenc subtract [-h] n m

positional arguments:
  n           The first term
  m           The second term

optional arguments:
  -h, --help  show this help message and exit