Azure.Storage.FileStorageAsync.WriteTextToFileAsync C# (CSharp) Method

        public async Task WriteTextToFileAsync(string directoryName, string fileName, string content)
        {
            Validate.String(directoryName, "directoryName");
            Validate.String(fileName, "fileName");
            Validate.String(content, "content");

            var rootDirectory = cloudFileShare.GetRootDirectoryReference();
            var directoryToUpdate = rootDirectory.GetDirectoryReference(directoryName);
            var file = directoryToUpdate.GetFileReference(fileName);
            if (!file.Exists())
            {
                file.Create(long.MaxValue);
            }
                
            await file.UploadTextAsync(content);
        }