![]() In the Name field, type the name of the File Watcher. To use a tool that is not on the list, choose Custom. ![]() The choice depends on the tool you are going to use. The File Watchers page opens showing a list of File Watchers that are already configured in this project and in the IDE.Ĭlick and choose the predefined template from which you want to create a File Watcher. In the Settings/Preferences dialog ( Ctrl+Alt+S), click File Watchers under Tools. Install and enable the File Watchers plugin on the Settings/Preferences | Plugins page, tab Marketplace, as described in Installing plugins from JetBrains repository. Note that using some of these tools in IntelliJ IDEA requires that you install plugins on the Settings/Preferences | Plugins page as described in Installing plugins from JetBrains repository. You can still create and enable it manually as described in Creating a File Watcher below.įor information on File Watchers for specific tools, see the corresponding pages: If you click No, IntelliJ IDEA considers the suggested File Watcher suppressed. When you open a file where a predefined File Watcher is applicable, IntelliJ IDEA displays a pane where suggests activating it.Ĭlick Yes to activate the File Watcher with the default configuration. A configured File Watcher can be saved in your project settings or in the IDE settings and used in different projects. You can use one of the available templates or configure a File Watcher from scratch. The File Watcher problems inspection is invoked by a running File Watcher and highlights errors specific to it. If the project has no relevant File Watcher configured, IntelliJ IDEA suggests to add one. ![]() The File Watcher available inspection is run in every file where a predefined File Watcher is applicable. watcher.NotifyFilter line if it can't get the path.File Watcher is an IntelliJ IDEA tool that allows you to automatically run a command-line tool like compilers, formatters, or linters when you change or save a file in the IDE.įile Watchers have two dedicated code inspections: We need to create new version of the object because the MessageBox.Show("A FileSystemWatcher error has occurred: " Private static void WatcherError(object source, ErrorEventArgs e)Įxception watchException = e.GetException() Private static void NewFile(object source, FileSystemEventArgs e)Ĭonsole.WriteLine("A file has been found!") Watcher.Error += new ErrorEventHandler(WatcherError) Watcher.Changed += new FileSystemEventHandler(NewFile) is created, and 1 for when it detects an error. Add event handlers: 1 for the event raised when a file Watcher.NotifyFilter = NotifyFilters.LastWrite Watcher.Path = For this example, I only care about when new files are Private static FileSystemWatcher watcher = You can even test this on your local machine by simply removing the directory that is being searched: using System I soon learnt that, when this happens, the FileSystemWatcher loses track of what it was supposed to do.Įasy to fix? Well, it’s not too hard. You see, the watcher was looking at a network drive, and intermittently (as networks will) it was dropping out and then coming back again. After a little searching, I managed to narrow it down to network outages. An application I was working on that used the FileSystemWatcher class and was intended to run 24/7 would periodically stop working.
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