プレイリスト名をコメントに入れる奴 for windows

Playlist2Comment.ps1

Write-Progress -Id 1 -Activity "iTunes起動中・・・"
$iTunes = New-Object -comObject iTunes.Application
$Comments = @{}

$Tracks = $iTunes.LibraryPlaylist.Tracks
Write-Progress -Id 1 -Activity "コメント取得中" -Status "3/1" -PercentComplete (1 / 3 * 100)
$max = $Tracks.Count
$i = 0
foreach ($track in $Tracks) {
    Write-Progress -Id 2 -Activity $track.Name -Status "$max/$i" -PercentComplete (++$i / $max * 100)
    $Comments[$track.TrackDatabaseID] = ($track.Comment -replace '(\r\n|\n|\r)*\$\$PlayList\$\$(.|\r\n|\n|\r)*$',"") + "`r`n" + '$$PlayList$$'
}

$Playlists = @()
foreach($playlist in $iTunes.Sources[1].Playlists) {
    if ($playlist.SpecialKind -eq 0) {
        $Playlists += $playlist
    }
}

function getPlaylistName {
    param ( $playlist )
    if ($playlist.Parent) {
        return (getPlaylistName -playlist $playlist.Parent) + "/" + $playlist.name
    } else {
        return $playlist.name
    }
}

Write-Progress -Id 1 -Activity "プレイリスト取得中" -Status "3/2" -PercentComplete (2 / 3 * 100)
$maxP = $Playlists.Count
$p = 0
foreach ($playlist in $Playlists) {
    $playlistName = getPlaylistName -playlist $playlist
    $max = $playlist.Tracks.Count
    $i = 0
    Write-Progress -Id 2 -Activity $playlistName -Status "$maxP/$p" -PercentComplete (++$p / $maxP * 100)
    foreach ($track in $playlist.Tracks) {
        Write-Progress -Id 3 -Activity $track.Name -Status "$max/$i" -PercentComplete (++$i / $max * 100)
        if ($Comments.ContainsKey($track.TrackDatabaseID)) {
            $Comments[$track.TrackDatabaseID] += "`r`n" + $playlistName
        }
    }
}
Write-Progress -Id 3 -Activity "end" -Complete

Write-Progress -Id 1 -Activity "コメント書き込み中" -Status "3/3" -PercentComplete (3 / 3 * 100)
$ErrorCount = 0
$max = $Tracks.Count
$i = 0
foreach ($track in $Tracks) {
    try {
        Write-Progress -Id 2 -Activity $track.Name -Status "$max/$i" -PercentComplete (++$i / $max * 100) -CurrentOperation "ErrorCount $ErrorCount"
        if ($Comments[$track.TrackDatabaseID] -ne $track.Comment) {
            $track.Comment = $Comments[$track.TrackDatabaseID]
        }
    } catch {
        $ErrorCount++
    }
}

macOS用はこちら