code/New-Vegetable.ps1
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Function New-Vegetable { [cmdletbinding(SupportsShouldProcess)] [OutputType("none", "PSTeachingTools.PSVegetable")] [alias("nveg")] Param( [Parameter( Position = 0, Mandatory, HelpMessage = "What is the vegetable name?", ValueFromPipelineByPropertyName )] [ValidateNotNullorEmpty()] [string]$Name, [Parameter( Position = 1, Mandatory, HelpMessage = "What is the vegetable color?", ValueFromPipelineByPropertyName )] [ValidateNotNullorEmpty()] [PSTeachingTools.VegColor]$Color, [Parameter(ValueFromPipelineByPropertyName)] [ValidateRange(1, 20)] [int]$Count = 1, [Parameter(ValueFromPipelineByPropertyName)] [alias("IsRoot")] [switch]$Root, [Parameter( Mandatory, HelpMessage = "Enter a valid PLU code", ValueFromPipelineByPropertyName )] [int]$UPC, [switch]$Passthru ) Begin { Write-Verbose "[BEGIN ] Starting: $($MyInvocation.Mycommand)" } Process { if ($PSCmdlet.ShouldProcess($Name)) { Write-Verbose "[PROCESS] Creating $name" $veggie = [PSTeachingTools.PSVegetable]::new($name, $Root, $color, $UPC) if ($veggie) { $veggie.count = $Count Write-Verbose "Adding to global listget-v" $global:myvegetables.Add($veggie) if ($passthru) { Write-Output $veggie } } else { Write-Warning "Oops. Something unexpected happened." } } #should process } #process End { Write-Verbose "[END ] Ending: $($MyInvocation.Mycommand)" } #end } |