echo "1 BTC = $(curl -s https://api.coindesk.com/v1/bpi/currentprice/usd.json | grep -o 'rate":"[^"]*' | cut -d\" -f3) USD"
1 BTC

##</code><code>##

#!/usr/bin/perl -w

use strict;
use warnings;
use CGI;

my $query = CGI->new ;
loadPage ();

sub loadPage {
    my $page = "";
    $page = $query->param("page");    
    if ($page eq 'search') {
        print "Content-Type: text/html\n\n";
        print "1 BTC = $(curl -s https://api.coindesk.com/v1/bpi/currentprice/usd.json | grep -o 'rate\":\"[^\"]*' | cut -d\" -f3) USD";
    }else {
        print "Content-Type: text/html\n\n";
        print "error";
    }
}


##</code><code>##

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