Extension/Playlist.RoughDraft.Extension.ps1
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<# .Synopsis Creates a playlist .Description Creates a playlist out of several audio files. #> [Runtime.CompilerServices.Extension()] # It's an extension [Management.Automation.Cmdlet("Join","Media")] # that extends Join-Media [ComponentModel.Inheritance("NotInherited")] # that is not inherited param( # If set, will create a playlist [Parameter(Mandatory)] [switch] $Playlist ) if (-not $IsAllAudio) { Write-Warning "-InputPath contains non-audio files, ignoring them" } if (-not $audioFiles.Count) { Write-Error "-InputPath contains no audio files" return } if ($OutputPath -notlike '*.m3u') { Write-Error "-OutputPath '$OutputPath' must be a .m3u" return } $audioInputPaths = @($audioFiles | Select-Object -ExpandProperty InputPath) $audioUniqueDirectories = @($audioInputPaths | Split-Path | Select-Object -Unique) $outputDirectory = $OutputPath | Split-Path if ($audioUniqueDirectories.Count -eq 1 -and $audioUniqueDirectories -eq $outputDirectory) { $audioInputPaths | Get-Item -LiteralPath { $_ } | Select-Object -ExpandProperty Name | Set-Content -Path $OutputPath } else { $audioInputPaths | Get-Item -LiteralPath { $_ } | Select-Object -ExpandProperty Fullname | Set-Content -Path $OutputPath } |