app.get('/GET/MY/BITCOIN/BALANCE', function (req, res) { if( isConnected(req) == true) { var child = exec('cd /home/rpcdaemon/wallets/bitcoin-0.14.1/bin; ./bitcoin-cli getbalance ' + req.params.account, {async:true}); child.stdout.on('data', function(data) { var bitcoin_balance = data; res.send({"success":true, bitcoin_balance:bitcoin_balance}); }); }});