Golang command line script that fetches currency exchange rate data from the http://fixer.io/ JSON API

• Go has to be properly installed on your machine for this to work (https://golang.org/doc/install)

• Run the currency.go file from the /src folder of your $GOPATH like this:

  go run currency.go USD

• USD would be US Dollar as the base for the exchange rate, it can also be one of the following: AUD, CAD, CHF, EUR, NZD, RUB, JPY

The script command line output looks like this: