Add watch-file.ps1

Scripts/watch-file.ps1

@@ -0,0 +1,45 @@
+function Watch-File {
+
+    Param(
+        [Parameter(Mandatory=$false)]
+        [ValidateSet('Created', 'Changed', 'Deleted', 'Renamed', 'Error')]
+        [string]$event
+    )
+	
+	# Define the path to the file you want to monitor
+	$file = "C:\temp\file.txt"
+	# Define the action that should be taken when the file changes
+	
+	
+	$action = {
+		switch ($event) {
+		"Created" { Write-Host "File created" }
+		"Changed" { Write-Host "File changed" }
+		"Deleted" { Write-Host "File deleted" }
+		"Renamed" { Write-Host "File renamed" }
+		"Error" { Write-Host "Error" }			
+		default { Write-Host "Sorry" }
+		}
+	}
+	
+	
+	# Create a new FileSystemWatcher object
+	$watcher = New-Object System.IO.FileSystemWatcher
+	$watcher.Path = Split-Path -Path $file -Parent
+	$watcher.Filter = Split-Path -Path $file -Leaf
+	$watcher.IncludeSubdirectories = $false
+	$watcher.NotifyFilter = [System.IO.NotifyFilters]::LastWrite -bor [System.IO.NotifyFilters]::FileName
+	
+	
+	# Register the event watcher
+	$watcher.EnableRaisingEvents = $true
+	Register-ObjectEvent -InputObject $watcher -EventName $event -Action $action -SourceIdentifier FileChangedEvent
+	
+	
+	# Keep the script running until the user stops it manually
+	while ($true) {
+		Start-Sleep -Seconds 1
+	}
+	# Unregister the event watcher
+	Unregister-Event -SourceIdentifier FileChangedEvent
+}