Private/Select-UniqueUrl.ps1
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Function Select-UniqueUrl { <# .SYNOPSIS Selects unique URLs from the array of updates returned from Get-LatestUpdate. .DESCRIPTION Selects unique URLs from the array of updates returned from Get-LatestUpdate. Multiple updates can be release which could point to the same URL. To ensure we only download the update once, the a unique URL needs to be passed back to Save-LatestUpdate. .NOTES Author: Aaron Parker Twitter: @stealthpuppy .PARAMETER Updates The array of latest cumulative updates retreived by Get-LatestUpdate. #> [CmdletBinding(SupportsShouldProcess = $False)] [OutputType([Array])] Param( [Parameter(Mandatory = $True, Position = 0, ValueFromPipeline = $True, ValueFromPipelineByPropertyName = $True, ` HelpMessage = "The array of updates from Get-LatestUpdate.")] [ValidateNotNullOrEmpty()] [array]$Updates ) $Urls = @() ForEach ( $Update in $Updates ) { $Urls += $Update.Url } $Urls = $Urls | Select-Object -Unique $Urls } |