Groups flac or mp3 files into album folders, saving with appropriate filenames. Preserves singles.

OrganizeMusic.ps1

# Ensure ffprobe is available in the system's PATH or specify its full path
$ffprobePath = "ffprobe"

$files = Get-ChildItem -Path "." -File | Where-Object { $_.Extension -eq ".mp3" -or $_.Extension -eq ".flac" }

Write-Host "Found $($files.Count) files to process."

# Store album information
$albums = @{}

foreach ($file in $files) {
    # Use ffprobe to get file metadata
# Use the new ffprobe command
    $output = & $ffprobePath -v error -select_streams a:0 -show_entries "stream=codec_name,bit_rate,channels,sample_rate : format=duration : format_tags : stream_tags" -of default=noprint_wrappers=1 "$file" 2>&1

    # Split the output into lines
    $metadataLines = $output -split "`n"
    #Write-Host $metadataLines

        # Initialize variables to hold metadata
    $albumName = $null
    $albumArtist = $null
    $artist = $null
    $trackNumber = $null
    $title = 0

    # Iterate over each line and extract the metadata based on the TAG: prefix
    foreach ($line in $metadataLines) {
        if ($line -match "^TAG:TITLE=(.+)") {
            $title = $matches[1]
        } elseif ($line -match "^TAG:ALBUM_ARTIST=(.+)") {
            $albumArtist = $matches[1]
        } elseif ($line -match "^TAG:ARTIST=(.+)") {
            $artist = $matches[1]
        } elseif ($line -match "^TAG:ALBUM=(.+)") {
            $albumName = $matches[1]
        } elseif ($line -match "^TAG:track=(.+)") {
            $trackNumber = $matches[1]
        }
    }

    # Handle missing album artist
    if (-not $albumArtist) {
        # $albumArtist = "Unknown Artist"
    }

    # Create album identifier
    $albumID = "$albumArtist - $albumName"
    if (-not $albumArtist -or $albumArtist -eq "") {
        $albumID = $albumName
    }

    # Add track to album
    if (-not $albums.ContainsKey($albumID)) {
        $albums[$albumID] = @()
    }
    $albums[$albumID] += @{"file"=$file.FullName; "trackNumber"=$trackNumber; "title"=$title; "artist"=$artist}
    }

# Write $albums object to console for debugging
Write-Host ""
Write-Host "================================================="
Write-Host ""
Write-Host "Albums:"

foreach ($album in $albums.GetEnumerator()) {
    # Check if the album has more than one track
    if ($album.Value.Count -gt 1) {
        Write-Host "    Album: $($album.Key)"
        foreach ($track in $album.Value) {
            $trackDetails = "$($track.trackNumber) $($track.title)"
            Write-Host "        $trackDetails"
        }
    }
}

Write-Host ""
Write-Host "================================================="
Write-Host ""
Write-Host "Organizing files into albums..."

# Process albums
foreach ($album in $albums.GetEnumerator()) {
    # Process differently based on track count
    if ($album.Value.Count -eq 1) {
        # Handle single track album
        $track = $album.Value[0]
        $artistWithReplacements = $track.artist -replace "[\\\/:\*\?""<>\|]", "_"
        $titleWithReplacements = $track.title -replace "[\\\/:\*\?""<>\|]", "_"
        $fileExtension = [System.IO.Path]::GetExtension($track.file)
        $newFileName = "$artistWithReplacements - $titleWithReplacements$fileExtension"
        $newFilePath = Join-Path -Path "." -ChildPath $newFileName

        Move-Item -Path $track.file -Destination $newFilePath
        $relativeFileName = Split-Path $track.file -Leaf
        Write-Host "Moved `"$relativeFileName`" to `"$newFilePath`""
    }
    elseif ($album.Value.Count -gt 1) {
        $albumPath = Join-Path -Path "." -ChildPath ($album.Key -replace "[\\\/:\*\?""<>\|]", "_") # Replace invalid characters
        Write-Host "Processing album: $($album.Key)"

        # Create album directory if it doesn't exist
        if (-not (Test-Path $albumPath)) {
            New-Item -ItemType Directory -Path $albumPath | Out-Null
            Write-Host "Created directory: $albumPath"
        }

        # Move and rename files for multiple tracks
        foreach ($track in $album.Value) {
            $titleWithReplacements = $track.title -replace "[\\\/:\*\?""<>\|]", "_"
            $fileExtension = [System.IO.Path]::GetExtension($track.file)
            $newFileName = "{0} - {1}{2}" -f $track.trackNumber, $titleWithReplacements, $fileExtension
            $newFilePath = Join-Path -Path $albumPath -ChildPath $newFileName

            Move-Item -Path $track.file -Destination $newFilePath
            $relativeFileName = Split-Path $track.file -Leaf
            Write-Host "Moved `"$relativeFileName`" to `"$newFilePath`""
        }
    }
}

Write-Host "Operation completed. Press any key to exit."
$null = $host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")