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  1. or download this
    echo "1 BTC = $(curl -s https://api.coindesk.com/v1/bpi/currentprice/u
+sd.json | grep -o 'rate":"[^"]*' | cut -d\" -f3) USD"
1 BTC
  2. or download this
    #!/usr/bin/perl -w

...
    }
}
  3. or download this
    1 BTC = 33 33curl -s https://api.coindesk.com/v1/bpi/currentprice/usd.
+json | grep -o 'rate":"[^"]*' | cut -d" -f3) USD