Added check-symlinks.ps1

Scripts/check-symlinks.ps1

@@ -0,0 +1,35 @@
+#!/bin/powershell
+<#
+.SYNTAX         ./check-symlinks.ps1 [<dir-tree>]
+.DESCRIPTION	checks every symlink in the given directory tree
+.LINK		https://github.com/fleschutz/PowerShell
+.NOTES		Author:	Markus Fleschutz / License: CC0
+#>
+
+param($DirTree = "")
+
+try {
+	if ($DirTree -eq "" ) {
+		$DirTree = read-host "Enter the path to the directory tree"
+	}
+
+	[int]$SymlinksTotal = [int]$SymlinksBroken = 0
+	gci $DirTree -Recurse  | Where { $_.Attributes -match "ReparsePoint" } | ForEach-Object {
+		$Symlink = $_.FullName
+		$Target = ($_ | Select-Object -ExpandProperty Target -ErrorAction Ignore)
+		if ($Target) {
+			$path = $_.FullName + "\..\" + ($_ | Select-Object -ExpandProperty Target)
+			$item = Get-Item $path -ErrorAction Ignore
+			if (!$item) {
+				write-output "Symlink $Symlink -> $Target is broken"
+				$SymlinksBroken++
+			}
+		}
+		$SymlinksTotal++
+	}
+	echo "Done - found $SymlinksTotal symlinks total, $SymlinksBroken are broken"
+	exit $SymlinksBroken
+} catch {
+	write-error "ERROR in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}