Add sync-folder.ps1

scripts/sync-folder.ps1

@@ -0,0 +1,31 @@
+<#
+.SYNOPSIS
+	Sync's two folders
+.DESCRIPTION
+	This PowerShell script synchronizes two folders via Robocopy (useful for e.g. backups).
+	NOTE: Make sure the target folder is correct because the content gets replaced!
+.PARAMETER Source
+	Path to the source folder
+.PARAMETER Destination
+	Path to the destination folder
+.EXAMPLE
+	sync-folder -source C:\Folder01 -destination C:\Folder02
+#>
+
+function Sync-Folder
+{
+
+	[CmdletBinding()]
+	param (
+		
+		[Parameter(Mandatory)][string]$Source,
+		[Parameter(Mandatory)][string]$Destination
+	)
+	
+	$RobocopyParams = $Source, $Destination, '/MIR', '/FFT', '/NDL', '/NP', '/NS'
+
+	robocopy.exe $RobocopyParams
+
+	if ($LastExitCode -gt 3) { throw 'Robocopy failed.' }
+
+}