Bash/Javascript currency converter. Use fixer.io

.bashrc

money() {
  node <<EOF
  const http = require('http');
  const url = 'http://data.fixer.io/api/latest?access_key=API_KEY';
  http.get(url, (res) => {
    res.setEncoding('utf8');
    let body = '';
    res.on('data', (data) => {
      body += data;
    });
    res.on('end', () => {
      var to="${3:-RUB}"
      var from="${2:-USD}"
      var amount="${1:-1}"
      if(isNaN(amount)) {
        from = amount;
        amount = 1;
      }
      const { rates } = JSON.parse(body);
      console.log({from, to, amount});
      console.log((amount / rates[from] * rates[to]).toFixed(2));
    });
  });
  EOF
}
# Usage
# money 56 AUD USD -> Convert 56 AUD to USD
# money 12 THB -> convert 10 THB to default target currency (hardcoded RUB in this case)
# money USD -> convert 1 USD to default target currency
# money 10 -> convert 10 USD(default source currency, hardcoded USD in this case) to default target currency