Fxkeb
Get USD from KRW based on fx rate infomation from fxkeb.
Installation
Add this line to your application's Gemfile:
# gem 'fxkeb'
gem 'fxkeb', git: 'git://github.com/jinto/fxkeb.git'
And then execute:
$ bundle
Or install it yourself as:
$ gem install fxkeb
Usage
Fxkeb.to_usd(1000) # => 0.9
License
The gem is available as open source under the terms of the MIT License.
fxkeb
Fxkeb.to_usd(krw)
참고
http://blog.remotty.com/blog/2015/12/14/rubygem-create-guide/