cd cryptoconv-hs/
cabal install
Run converter with names of two crypto-currencies as parameters and it will calculate current ratio and USD prices.
> cryptoconv bitcoin ethereum
by USD price: 1 BTC = 20.73075236257684 ETH
by BTC price: 1 BTC = 20.31252856449329 ETH
Fiat prices:
BTC: 14322.4 USD
ETH: 690.877 USD
>
Names could be found on coinmarketcap.com.