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Observe File System Changes with Reactive Extensions for .NET

Observe File System Changes with Reactive Extensions for .NET

If you're looking for a seamless way to monitor file system changes in .NET applications, Reactive Extensions (Rx) could be the solution you've been searching for. This article explores how to use Rx to transform FileSystemWatcher events into a powerful and straightforward event stream, capable of handling file system idiosyncrasies.

Traditionally, FileSystemWatcher events are prone to some idiosyncrasies that could complicate your code. For instance, when using the 'Changed' event, you might receive multiple events for a single change. However, by leveraging Rx, you can transform FileSystemWatcher's events into an event stream, allowing you to filter, group, and aggregate data with ease. The powerful stream-based interface provided by Rx simplifies the code and minimizes edge-case handling.

This article provides a practical demonstration of how to use Rx to create a FileSystemWatcher event stream. The code in this article is written in C#, and snippets are included as illustrations of the concepts covered. You'll also learn how to apply several operators to the event stream, such as buffering, grouping, and time-based transformations.

By using Reactive Extensions, you can easily observe file system changes in your .NET applications without worrying about the complexities that come with typical FileSystemWatcher events. So, if you're working on an application that requires monitoring file system changes, this article is your go-to guide.

The post Observe File System Changes with Reactive Extensions for .NET appeared first on endjin.

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