Delete old files in Azure container

gistfile1.cs

Console.WriteLine("Starting Clean Containers WebJob...");

try
{
	var removeThreshold = int.Parse(ConfigurationManager.AppSettings["RemoveThresholdDays"]);
	var storageConnectionString = CloudConfigurationManager.GetSetting("StorageConnectionString");
	var dataContainerName = CloudConfigurationManager.GetSetting("StorageContainerDataName");
	var storageAccount = CloudStorageAccount.Parse(storageConnectionString);

	var blobClient = storageAccount.CreateCloudBlobClient();
	var dataContainer = blobClient.GetContainerReference(dataContainerName);

	Console.WriteLine("Day threshold to remove records: {0}", removeThreshold);

	// Retrieve all data items greater than a month old and delete them.
	Console.WriteLine("Retrieving old data files...");
	var oldData = dataContainer.ListBlobs()
			.OfType<CloudBlob>()
			.Where(b => b.Properties.LastModifiedUtc < DateTime.Now.AddDays((removeThreshold * -1)));

	var dataBlobs = oldData as IList<CloudBlob> ?? oldData.ToArray();
	Console.WriteLine("Data records retrieved: {0}.", dataBlobs.Count());
	Console.WriteLine("Removing old data files...");

	foreach (var dataBlob in dataBlobs.Select(log => logContainer.GetBlobReference(log.Uri.ToString())))
	{
		dataBlob.DeleteIfExists();
	}

	Console.WriteLine("Removing old data complete.");
}
catch (Exception ex)
{
	Console.WriteLine("Error cleaning container files: {0}", ex);
}

Console.WriteLine("Clean Containers WebJob complete.");