gis-search.js

var http = require('http');
var fs = require('fs');
var url = require('url');

var word = process.argv[2];


var google = http.createClient(80, 'ajax.googleapis.com');

var request = google.request('GET', '/ajax/services/search/images?q=' + word + '&v=1.0&safe=off', {'host': 'ajax.googleapis.com'});
request.end();
request.on('response', function (response) {
  var data = '';
  response.setEncoding('utf8');
  response.on('data', function (chunk) {
    data += chunk;
  });
  response.on('end', function() {
    if (response.statusCode != '200') {
      throw new Error('Error');
    } else {
      var result = JSON.parse(data); 
      var first = result.responseData.results[0].url;
      
      var firstUrl = url.parse(first);
      var filename = firstUrl.pathname.split('/').pop();
      var image = http.createClient(80, firstUrl.hostname);
      var request2 = image.request('GET', firstUrl.pathname, {'host': firstUrl.hostname});
      request2.end();
      var out = fs.createWriteStream(filename);
      request2.on('response', function(response2) {
        response2.on('data', function (chunk) {
          out.write(chunk);
        });
        response2.on('end', function() {
          console.log('File ' + filename + ' saved');
        })
      })
      
      
    }
  });
});