/// <summary>
/// Checks if a file exists.
/// </summary>
/// <param name="fileSystem">The file system</param>
/// <param name="filePath">The path to the file</param>
/// <returns>A bool indicating if the file exists</returns>
public static bool FileExists(this IFileSystem fileSystem, FileReference filePath)
{
return fileSystem.ListFilesInDirectory(filePath.GetDirectory())
.Contains(filePath.GetFileName().FileLocation);
}