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A small tool to apply ROT13 to STDIN.
It 'encrypts' texts by applying ROT13 to the characters 'a'-'z' and 'A'-'Z'. No other characters will be changed, neither
those with diacritics such as 'š', nor symbols or (decimal) digits.
You can use the command option -5 or --five (hyphen five) to transform decimal digits in a similar way. i.e. transforming using the following table
| Input | Output |
|---|---|
| 0 | 5 |
| 1 | 6 |
| 2 | 7 |
| 3 | 8 |
| 4 | 9 |
| 5 | 0 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 4 |
If bundler is not being used to manage dependencies, install the gem by executing:
$ gem install rot135
When using Bundler, add the gem to your Gemfile:
$ bundle add rot135
Then run bundle install.
rot135 reads its input form STDIN, runs it through ROT13 and writes the result to STDOUT.
> echo 'Hello World!' | rot135
Uryyb Jbeyq!After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can
also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the
version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version,
push git commits and the created tag, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/s2k/rot135. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the Rot135 project's codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.