Chg

chg is a very basic CLI for currency exchange, using Alpha Vantage API.

Installation

gem install chg

Usage

$ chg -h
Usage: chg <from> <to> [amount = 1]
$ chg BTC USD
Error: Missing ALPHAVANTAGE_KEY env. var
$ export ALPHAVANTAGE_KEY=123
$ chg BTC USD
1.0 BTC = 1234567890.01234 USD

That's about it.

Development

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 tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome at https://git.cypr.io/oz/chg. git format-patch is also your friend.

License

The gem is available as open source under the terms of the GPL v3 License.