abcde is a command line (CLI) CD encoder. It will read your CD, contact a CDDB
provider, download the track information, rip your CD and store all the encoded
tracks in the tree layout you define.

It supports multiple encoders for several formats, such as FLAC, Ogg/Vorbis,
MP3,... and will use one single rip to create as many output formats as you want

Many other useful features are supported.

WWW: http://abcde.einval.com/