code/Get-Vegetable.ps1
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Function Get-Vegetable { [CmdletBinding()] [OutputType("PSTeachingTools.PSVegetable")] [alias("gveg")] Param( [Parameter( Position = 0, ValueFromPipeline, ValueFromPipelineByPropertyName )] [String]$Name, [Switch]$RootOnly ) Begin { Write-Verbose "[BEGIN ] Starting: $($MyInvocation.MyCommand)" } Process { #verify the MyVegetables array exists if ( $global:MyVegetables.count -gt 0) { Write-Verbose "[PROCESS] Processing $($global:MyVegetables.count) items." if ($name -AND $RootOnly) { Write-Verbose "[PROCESS] Getting vegetable $name where it is a root vegetable" ($global:MyVegetables).where( { ($_.IsRoot) -And ($_.name -like $name) }) # $global:MyVegetables | where {($_.IsRoot) -And ($_.name -like $name)} } elseif ($Name) { Write-Verbose "[PROCESS] Getting vegetable $name" $result = ($global:MyVegetables).where( { $_.name -like $name }) if ($result) { $result } else { Throw "Can't find a vegetable with the name $Name" } } elseif ($RootOnly) { Write-Verbose "[PROCESS] Getting root vegetables only" ($global:MyVegetables).where( { $_.IsRoot }) } else { Write-Verbose "[PROCESS] Getting all vegetables" $global:MyVegetables } } #if MyVegetables else { Write-Warning "Failed to find vegetable source." } } #Process End { Write-Verbose "[END ] Ending: $($MyInvocation.MyCommand)" } } |