public static bool ContentEquals(string path, Func <Stream> streamFactory) { using (Stream stream = streamFactory(), fileStream = File.OpenRead(path)) { return(StreamUtility.ContentEquals(stream, fileStream)); } }
/// <summary> /// Asynchronously determines if the contents of a file and stream are equal. /// </summary> /// <param name="path">The path to a file.</param> /// <param name="streamTaskFactory">A stream task factory.</param> /// <returns>A task that represents the asynchronous operation. /// The task result (<see cref="Task{TResult}.Result" />) returns a <see cref="bool" /> /// which is <c>true</c> if contents are equal; otherwise, <c>false</c>.</returns> /// <exception cref="ArgumentException">Thrown if <paramref name="path" /> is either /// <c>null</c> or an empty string.</exception> /// <exception cref="ArgumentNullException">Thrown if <paramref name="streamTaskFactory" /> /// is <c>null</c>.</exception> public static async Task <bool> ContentEqualsAsync(string path, Func <Task <Stream> > streamTaskFactory) { if (string.IsNullOrEmpty(path)) { throw new ArgumentException(Strings.Argument_Cannot_Be_Null_Or_Empty, nameof(path)); } if (streamTaskFactory == null) { throw new ArgumentNullException(nameof(streamTaskFactory)); } using (Stream stream = await streamTaskFactory(), fileStream = File.OpenRead(path)) { return(StreamUtility.ContentEquals(stream, fileStream)); } }