word_ladder CLI

Installing this package provides a command line interface which one is better describer with its CLI help

$ word_ladder -h

will output

Word ladder

Usage:
  word_ladder from <from> using <dict_file> [-a]
  word_ladder from <from> to <to> using <dict_file> [-a]
  word_ladder -h | --help
  word_ladder -v | --version

Subcommands:
  from              The initial word
  to                The word to stop [Optional]

Options:
  -a, --all-paths    Print all paths
  -h, --help         Show this screen
  -v, --version      Show version

Examples:
  word_ladder from word1 using /english.dict
  word_ladder from word1 using /english.dict --all-paths
  word_ladder from word1 to word2 using /english.dict -a