Get-PowerShellGuide.ps.ps1
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function Get-PowerShellGuide { [CmdletBinding(DefaultParameterSetName='NoTopic')] [Alias('Get-PSGuide')] param( [Parameter(Mandatory,ParameterSetName='Topic',ValueFromPipelineByPropertyName)] [Alias('TopicName')] [string] $Topic ) process { if ($PSCmdlet.ParameterSetName -eq 'NoTopic') { if (-not $script:CachedPowerShellGuide) { $guideTopics = Get-ChildItem -Path $PSScriptRoot -Filter Guide | Get-ChildItem -Recurse | Where-Object Extension -in '.md' | Where-Object FullName -notlike '*_site*' $guideTopics = @(all in $guideTopics are 'PowerShell Guide Topic File') $myModuleVersion = $MyInvocation.MyCommand.ScriptBlock.Module.Version $script:CachedPowerShellGuide = [PSCustomObject]@{ PSTypeName = 'PowerShell.Guide' Version = $myModuleVersion AllTopics = $guideTopics AllDemos = $guideDemos } } $script:CachedPowerShellGuide } if ($PSCmdlet.ParameterSetName -eq 'Topic') { $psGuide = Get-PowerShellGuide $psGuide.AllTopics | Where-Object Aliases -like $Topic } } } |