added new sample: googlematch.js

+/**
+ * Takes provided terms passed as arguments and query google for the number of
+ * estimated results each have.
+ *
+ * Usage:
+ *   $ phantomjs samples/googlematch.js nicolas chuck borris
+ *   nicolas: 69600000
+ *   chuck:   49500000
+ *   borris:  2370000
+ *   winner is "nicolas" with 69600000 results
+ */
+phantom.injectJs('casper.js');
+
+phantom.Casper.extend({
+    fetchScore: function() {
+        return this.evaluate(function() {
+            var result = document.querySelector('#resultStats').innerText;
+            return Number(/Environ ([0-9\s]{1,}).*/.exec(result)[1].replace(/\s/g, ''));
+        });
+    }
+});
+
+var casper = new phantom.Casper({
+    verbose: true
+}), terms = phantom.args, scores = [], i = 0;
+
+if (terms.length < 2) {
+    casper.log('usage: phantomjs googlematch.js term1, term2 [, term3]...').exit();
+}
+
+casper.start("http://google.fr/");
+
+casper.repeat(terms.length, function(self) {
+    self.then((function(casper, i) {
+        return function(self) {
+            self.fill('form[name=f]', {
+                q: terms[i]
+            }, true);
+        };
+    })(self, i));
+    self.then((function(casper, i) {
+        return function(self) {
+            var term = terms[i], score = self.fetchScore();
+            scores.push({
+                term:  term,
+                score: score
+            });
+            self.echo(term + ': ' + score);
+        };
+    })(self, i));
+    i++;
+});
+
+casper.run(function(self) {
+    scores.sort(function(a, b) {
+        return a.score - b.score;
+    });
+    var winner = scores[scores.length - 1];
+    self.echo('winner is "' + winner.term + '" with ' + winner.score + ' results')
+    self.exit();
+});
+