Improve cd-up.ps1

Scripts/cd-up.ps1

@@ -1,13 +1,20 @@
 #!/usr/bin/pwsh
 <#
-.SYNTAX       cd-up.ps1 
+.SYNTAX       cd-up.ps1 [<number>]
 .DESCRIPTION  go one or multiple directories up
 .LINK         https://github.com/fleschutz/PowerShell
 .NOTES        Author: Markus Fleschutz / License: CC0
 #>
 
+param([int]$Number = 1)
+
 try {
-	$TargetDir = resolve-path ".."
+	$TargetDir = ""
+	do {
+		$TargetDir += "../"
+		$Number--
+	} while ($Number -ne 0)
+	$TargetDir = resolve-path $TargetDir
 	set-location "$TargetDir"
 	"📂$TargetDir"
 	exit 0