21 Mar 2010 22:44:12 UTC
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supertag - organize your music collection like a real superhero
supertag MODE [OPTIONS] file1.mp3 file2.flac file3.mp3 ...
Extract metadata from audio files to an editable format:
$ supertag -g *.mp3 *.flac
Get id3v1 and id3v2 tags back in sync, then rename files using tags:
$ supertag -g *.mp3 | supertag -s -p '%02T._%A_-_%a_-_%t'
Set missing tags in bulk; rename files using new tags:
$ supertag -g -A Pinkerton -y 1996 -G Rock *.flac | supertag -s
Extract and set missing tag data from filenames, using a pattern:
$ supertag -g -S -N -P '%a_-_%t' *.mp3 | supertag -s
Rename incoming files and import them into your music library:
$ supertag -g * | supertag -s --library ~/Music
Preview the effects of supertag's default renaming operations:
$ supertag -g * | supertag -n -s -S -N
Build a song database from your entire music collection:
$ sqlite songs.db <<EOF > create table song( > path varchar(256) primary key, > album varchar(128), > artist varchar(128), > track varchar(128), > title varchar(128)); > EOF $ find . -name \*.mp3 -o -name \*.flac | \ supertag -g -H PATH,A,a,T,t --io tabular | sed -e 1d > songs.txt $ sqlite songs.db ".import 'songs.txt' song"
- Modes of Operation
-g,--get get metadata -s,--set set metadata -h,--help print help and exit -V,--VERSION print version and exit
- Metadata Source Options
-1,--id3v1 extract from id3v1 tags (default, mp3 only) -2,--id3v2 extract from id3v2 tags (default, mp3 only) -F,--flac extract from flac tags (default, flac only) -N,--filename extract from filenames (default) -U,--audio extract standard audio metadata -E,--codec extract encoder metadata -S,--no-default-sources don't use the default sources -p,--rename-pattern STR format string for renaming files -P,--capture-pattern STR format string for scraping filenames
- Standard Recognized Tags
-A,--album STR -a,--artist STR -t,--title STR -T,--tracknum NUM -y,--year STR -g,--genre STR -c,--composer STR -C,--comment STR
- Behavioral Options
-H,--headers X,Y,Z... output only these metadata fields -I,--io-format FMT data exchange format ("editable", "tabular") -m,--mime get filetype from file(1) (slow, default off) -n,--dry dry run (don't modify anything) -v,--verbose verbose -d,--debug turn on debugging messages -q,--quit silence warnings
supertag is a music organization tool for ordinary people who don't mind dashing into a phone booth once in a while. By "phone booth" we mean "terminal session," the celebrated origin of all superpowers...
There are plenty of music organization tools out there, pretty much one for every occasion. supertag makes sense when:
You've got music pouring in from many sources, in different formats, with different levels of metadata quantity and quality.
There's too much entropy in the inputs for a mouse-driven interface.
You'd rather write a script that performs a data transformation than do it all by hand.
You want to do a custom search on your music collection, or you want to build a custom index.
You'd rather edit tag data in your favorite editor than anywhere else.
You're more comfortable in a unix shell.
There are two primary operating modes of supertag: get mode and set mode. In get mode, metadata is extracted from a succession of sources in each file and printed to standard out. In set mode, metadata is read from standard input and written to all selected sources of each referenced file.
The "editable" input / output format supertag uses by default looks like this:
ALBUM: Evol ARTIST: Sonic Youth GENRE: Rock PATH: ~/Music/Sonic_Youth_-_Evol/01._Sonic_Youth_-_Tom_Violence.mp3 TAGVERSION: ID3v2.3.0 TITLE: Tom Violence TRACKNUM: 1 YEAR: 1986 ALBUM: Evol ARTIST: Sonic Youth GENRE: Rock PATH: ~/Music/Sonic_Youth_-_Evol/02._Sonic_Youth_-_Shadow_of_a_Doubt.mp3 TAGVERSION: ID3v2.3.0 TITLE: Shadow of a Doubt TRACKNUM: 2 YEAR: 1986
Each record corresponds to one file and consists of some number of "key: value" lines. Multiple records are separated by "\n\n". Non-printable or conflicting characters in keys and values are escaped in URL-encoding (
"\n" ="%0a">) fashion.
By default, supertag operates on a standard set of metadata sources. Some sources are filetype-specific ("id3v2" only applies to .mp3s) and some are standard ("filename" is always available). supertag will never apply filetype-specific sources to files of the wrong filetype. Two special sources, "audio" and "codec" always give standard digital audio metadata ("SAMPLERATE", "NUMCHANNELS", "SECS", etc.) and encoding-specific metadata (e.g. "MP3_LAYER", "MP3_VBR", etc.), respectively.
In get mode, the special metadata key "PATH" is always added with the full, real path to the file being processed as the value. This metadata key must be present for every input record under set mode.
For performance reasons, filetype is by default determined by looking at file extension. Content-based filetype detection via file(1) can be enabled with the
Different audio filetypes are handled through a plugin architecture. This presents a uniform interface to supertag. Developers interested in adding support for new filetypes should subclass all methods in
Audio::SuperTag::Pluginvia a package called e.g.
adopt (or contribute) something with id3v2 write support
offer capitalization fixing
implement Ogg plugin
Alan Grow <email@example.com>
Copyright (C) 2009 by Alan Grow
This application is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.3 or, at your option, any later version of Perl 5 you may have available.
Module Install Instructions
To install Audio::SuperTag::Plugin, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Audio::SuperTag::Plugin
For more information on module installation, please visit the detailed CPAN module installation guide.