This gem find digits in file and print n maximum from ones
Unfortunately this gem is not publicated on rubygems.org so you should use specific_install gem.
First of all install
$ gem install specific_install
And then install this gem:
$ gem specific_install https://github.com/mpestov/nmax
After gem installed you can use it from command line.
$ nmax 2 < some_file.txt
To print all digits in descending order from file you can omit n
$ nmax < some_file.txt
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec 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 tags, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/mpestov/nmax. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
The gem is available as open source under the terms of the MIT License.
Everyone interacting in the Nmax project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.