code: function uploadSample() {
    var processArguments = process.argv;
    if (processArguments.length !== 4) {
      console.log('Incorrect number of arguments. Should be: srcPath destPath');
      process.exit(1);
    } 
  
    var srcPath = processArguments[2];
    var destPath = processArguments[3];
  
    console.log('Starting blobuploaddownloadsample.');
  
    // Create the container
    createContainer(container, function () {
      
      // Demonstrates how to upload all files from a given directoy
      uploadBlobs(srcPath, container, function () {
  
        // Demonstrates how to download all files from a given
        // blob container to a given destination directory.
        downloadBlobs(container, destPath, function () {
  
          // Demonstrate making requests using AccessConditions.
          useAccessCondition(container, function () {
  
            // Delete the container
            deleteContainer(container, function () {
              console.log('Ending blobuploaddownloadsample.');
            });
          });
        });
      });
    });
  }
docs: optionally set a proxy /*var proxy = {
  protocol: 'http:',
  host: '127.0.0.1',
  port: 8888
  };
  
  blobService.setProxy(proxy);