khinsider.com PowerShell One Line Downloader

khinsider-dl.ps1

# Replace "<ALBUM>" with the final path to the album to be downloaded.
(wget "https://downloads.khinsider.com/game-soundtracks/album/<ALBUM>" -O -).Split("\n") |
    Select-String -Pattern 'playlistDownloadSong' -Raw -SimpleMatch |
    %{
        $_.TrimStart("<td class=`"playlistDownloadSong`"><a href=`"").TrimEnd("`"><i class=`"material-icons`">get_app</i></a></td>")
    } |
    %{
        (wget "https://downloads.khinsider.com/$_" -O -).Split("\n")
    } |
    Select-String -Pattern 'eta.vgmtreasurechest.com' -Raw -SimpleMatch |
    Select-String -Pattern 'audio' -Raw -SimpleMatch -NotMatch |
    % {[System.Text.RegularExpressions.Regex]::new(".+href=`"(.+?)`".+").Replace($_, "`$1")} |
    % {
        if (!(Test-Path -PathType Any $([System.Uri]::UnescapeDataString($_.Substring($_.LastIndexOf("/")+1))))) {
            wget $_;
        }
    }