gistfile1.js

matt@Valour /tmp$ cat client.js 
var fullchunk;

process.stdin.resume();
process.stdin.setEncoding('utf8');

process.stdin.on('data', function (chunk) {

    if (!fullchunk) {
        fullchunk = "";
    }

    fullchunk += chunk;

});

process.stdin.once('end', function () {

   process.stdin.removeAllListeners('data');
   eval(fullchunk);
    
    console.log("Eval: >>" + fullchunk + "<<");
    
});


matt@Valour /tmp$ cat server.js 
require("http").createServer(function(request, response) { 
console.log("connection!");
            response.writeHead(200);
                response.end("Hello World");

                }).listen(3000);


matt@Valour /tmp$ node client.js < server.js 
Eval: >>require("http").createServer(function(request, response) { 
console.log("connection!");
            response.writeHead(200);
                response.end("Hello World");

                }).listen(3000);
<<