Fixed a few issues with the ex-path-processing example

Author: rkeithhill

snippets/PowerShell.json

@@ -228,13 +228,14 @@
     "Example-Path Processing": {
         "prefix": "ex-path processing",
         "body": [
+            "# Modify [CmdletBinding()] to [CmdletBinding(SupportsShouldProcess=$true, DefaultParameterSetName='Path')]",
             "$paths = @()",
             "if ($psCmdlet.ParameterSetName -eq 'Path') {",
             "\tforeach ($aPath in $Path) {",
             "\t\tif (!(Test-Path -Path $aPath)) {",
-            "\t\t\t$ex = New-Object System.Management.Automation.ItemNotFoundException \"Cannot find path '$Path' because it does not exist.\"",
+            "\t\t\t$ex = New-Object System.Management.Automation.ItemNotFoundException \"Cannot find path '$aPath' because it does not exist.\"",
             "\t\t\t$category = [System.Management.Automation.ErrorCategory]::ObjectNotFound",
-            "\t\t\t$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$Path",
+            "\t\t\t$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$aPath",
             "\t\t\t$psCmdlet.WriteError($errRecord)",
             "\t\t\tcontinue",
             "\t\t}",
@@ -246,9 +247,9 @@
             "else {",
             "\tforeach ($aPath in $LiteralPath) {",
             "\t\tif (!(Test-Path -LiteralPath $aPath)) {",
-            "\t\t\t$ex = New-Object System.Management.Automation.ItemNotFoundException \"Cannot find path '$LiteralPath' because it does not exist.\"",
+            "\t\t\t$ex = New-Object System.Management.Automation.ItemNotFoundException \"Cannot find path '$aPath' because it does not exist.\"",
             "\t\t\t$category = [System.Management.Automation.ErrorCategory]::ObjectNotFound",
-            "\t\t\t$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$LiteralPath",
+            "\t\t\t$errRecord = New-Object System.Management.Automation.ErrorRecord $ex,'PathNotFound',$category,$aPath",
             "\t\t\t$psCmdlet.WriteError($errRecord)",
             "\t\t\tcontinue",
             "\t\t}",