Using your CMC api token, retrieve the symbol and price for selected tokens

cryptonumbers.sh

function cryptonumbers {
  curl  -H 'X-CMC_PRO_API_KEY: {CMC_PRO_API_KEY}' \
        -H 'Accept: application/json' \
        -d 'symbol=BTC,ETH,LTC' \
        -G https://pro-api.coinmarketcap.com/v1/cryptocurrency/quotes/latest | \
        jq -r '.data | .[] | .symbol, .quote.USD.price' | \
        while read -r SYMBOL; do 
              read -r PRICE
              echo -e "${SYMBOL} - \$${PRICE}"
        done
}