gistfile1.js

#!/usr/bin/env node
var spawn = require('child_process').spawn,
    wget = spawn('wget', ['http://www.livedoor.com/']);
var rl = require('readline');

var i = rl.createInterface(wget.stdin, wget.stdout, null);
i.on('line', function(line) {
    console.log('received: ' + line);
});
i.on('close', function() {
    console.log('exit');
    process.exit(0);
});