Public/Remove-ISCrawler.ps1
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#requires -version 4 <# .SYNOPSIS Removes a crawler configuration from an existing configuration file .DESCRIPTION The Remove-ISCrawler cmdlet will remove a crawler configuration from an existing configuration file. .EXAMPLE Get-ISCrawler .\CrawlerConfig.xml | ? {$_.InstanceId -eq "Test1"} | Remove-ISCrawler -Path .\CrawlerConfig.xml .INPUTS Crawler, System.String .OUTPUTS None #> function Remove-ISCrawler { [CmdletBinding(DefaultParameterSetName='Parameter Set 1', SupportsShouldProcess=$true, PositionalBinding=$false, ConfirmImpact='Medium')] [Alias()] Param ( # Crawler object to remove from the configuration file [Parameter(Mandatory=$true, ValueFromPipeline=$true, ValueFromPipelineByPropertyName=$true, ValueFromRemainingArguments=$false, ParameterSetName='Parameter Set 1')] [ValidateNotNull()] [ValidateNotNullOrEmpty()] [Alias()] $Objects, # Path to the configuration file [Parameter(Mandatory=$true, Position=0, ParameterSetName='Parameter Set 1')] [ValidateNotNull()] [ValidateNotNullOrEmpty()] [Alias("ConfigFile", "File", "FilePath")] [string] $Path ) begin { $Path = Resolve-Path $Path $xml = New-Object XML $xml.Load($Path) # Create XML namespaces for use when searching for the correct node to remove. # Prepend "ns:" to the node to search for $XmlNamespace = New-Object System.Xml.XmlNamespaceManager($xml.NameTable) $XmlNamespace.AddNamespace("ns", $xml.DocumentElement.NamespaceURI) } process { if ($pscmdlet.ShouldProcess("Target", "Operation")) { foreach ($Object in $Objects) { Write-Verbose "Processing crawler: $($Object.InstanceId)" $node = $xml.SelectSingleNode("//ns:Crawler[@InstanceId = '$($Object.InstanceId)']", $XmlNamespace) if ($node) { [void]$node.ParentNode.RemoveChild($node) } } } } end { $xml = [xml] $xml.OuterXml.Replace(' xmlns=""', "") $xml.Save($Path) } } |