code/Remove-Vegetable.ps1
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Function Remove-Vegetable { [CmdletBinding(SupportsShouldProcess)] [OutputType("none", "PSTeachingTools.PSVegetable")] [Alias("rveg")] Param( [Parameter( Position = 0, ValueFromPipeline, ParameterSetName = "input" )] [PSTeachingTools.PSVegetable[]]$InputObject, [Parameter( Position = 0, ValueFromPipeline, ValueFromPipelineByPropertyName, ParameterSetName = "name" )] [String]$Name, [Parameter(HelpMessage = "Write the removed object to the pipeline")] [Switch]$PassThru ) Begin { Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Starting $($MyInvocation.MyCommand)" } #begin Process { if ($PSCmdlet.ParameterSetName -eq 'name') { $InputObject = $global:MyVegetables.Where( { $_.Name -like $Name }) if (-Not $InputObject) { Write-Warning "Failed to find a vegetable called $name" } } If ($InputObject) { foreach ($item in $InputObject) { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Removing $($item.name)" if ($PSCmdlet.ShouldProcess($item.name)) { [void]($global:MyVegetables.remove($item)) if ($PassThru) { $item } } #WhatIf } #foreach item } #if InputObject } #process End { Write-Verbose "[$((Get-Date).TimeOfDay) END ] Ending $($MyInvocation.MyCommand)" } #end } |