AlbumArtDownloader is a command line tool that downloads album art (using the last.fm service) and tags audio files.
AlbumArtDownloader v.22.214.171.124 Copyright © 2013 Paolo Iommarini <firstname.lastname@example.org> Usage: AlbumArtDownloader [OPTIONS] Tags audio files with the album art and (optionally) saves a file in the folder with the album art. By default AlbumArtDownloader writes tag only in files missing the album art, use the -o option to overwrite the existing album art. AlbumArtDownloader can save a file with the album art in the folder if all the files in it has the same artist and album, use the -f option to set the file name to use. Options: -h, --help show help and exit -l show license -p PATH, --path PATH set the path to scan for audio files -f NAME, --file NAME set the name for the album art file Default: empty (don't save file) -r scan directory recursively -o overwrite current album art in audio files
to tag audio files in folder f:\Music (including subfolders) you can use the command:
AlbumArtDownloader.exe -p f:\Music -r
Download the installer here: albumartdownloader_1_1_0.exe
Source code is available at github here: https://github.com/sakya/AlbumArtDownloader