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Duplicates Plugin
=================
This plugin adds a new command, ``duplicates`` or ``dup``, which finds
and lists duplicate tracks or albums in your collection.
Usage
-----
To use the ``duplicates`` plugin, first enable it in your configuration (see
:ref:`using-plugins`).
By default, the ``beet duplicates`` command lists the names of tracks
in your library that are duplicates. It assumes that Musicbrainz track
and album ids are unique to each track or album. That is, it lists
every track or album with an ID that has been seen before in the
library.
You can customize the output format, count the number of duplicate
tracks or albums, and list all tracks that have duplicates or just the
duplicates themselves via command-line switches ::
-h, --help show this help message and exit
-f FMT, --format=FMT print with custom format
-a, --album show duplicate albums instead of tracks
-c, --count count duplicate tracks or albums
-C PROG, --checksum=PROG
report duplicates based on arbitrary command
-d, --delete delete items from library and disk
-F, --full show all versions of duplicate tracks or albums
-s, --strict report duplicates only if all attributes are set
-k, --key report duplicates based on keys (can be used multiple times)
-M, --merge merge duplicate items
-m DEST, --move=DEST move items to dest
-o DEST, --copy=DEST copy items to dest
-p, --path print paths for matched items or albums
-t TAG, --tag=TAG tag matched items with 'k=v' attribute
Configuration
-------------
To configure the plugin, make a ``duplicates:`` section in your configuration
file. The available options mirror the command-line options:
- **album**: List duplicate albums instead of tracks.
Default: ``no``.
- **checksum**: Use an arbitrary command to compute a checksum
of items. This overrides the ``keys`` option the first time it is run;
however, because it caches the resulting checksum as ``flexattrs`` in the
database, you can use ``--key=name_of_the_checksumming_program
--key=any_other_keys`` (or set the ``keys`` configuration option) the second
time around.
Default: ``ffmpeg -i {file} -f crc -``.
- **copy**: A destination base directory into which to copy matched
items.
Default: none (disabled).
- **count**: Print a count of duplicate tracks or albums in the format
``$albumartist - $album - $title: $count`` (for tracks) or ``$albumartist -
$album: $count`` (for albums).
Default: ``no``.
- **delete**: Removes matched items from the library and from the disk.
Default: ``no``
- **format**: A specific format with which to print every track
or album. This uses the same template syntax as beets'
:doc:`path formats</reference/pathformat>`. The usage is inspired by, and
therefore similar to, the :ref:`list <list-cmd>` command.
Default: :ref:`format_item`
- **full**: List every track or album that has duplicates, not just the
duplicates themselves.
Default: ``no``
- **keys**: Define in which track or album fields duplicates are to be
searched. By default, the plugin uses the musicbrainz track and album IDs for
this purpose. Using the ``keys`` option (as a YAML list in the configuration
file, or as space-delimited strings in the command-line), you can extend this
behavior to consider other attributes.
Default: ``[mb_trackid, mb_albumid]``
- **merge**: Merge duplicate items by consolidating tracks and-or
metadata where possible.
- **move**: A destination base directory into which it will move matched
items.
Default: none (disabled).
- **path**: Output the path instead of metadata when listing duplicates.
Default: ``no``.
- **strict**: Do not report duplicate matches if some of the
attributes are not defined (ie. null or empty).
Default: ``no``
- **tag**: A ``key=value`` pair. The plugin will add a new ``key`` attribute
with ``value`` value as a flexattr to the database for duplicate items.
Default: ``no``.
- **tiebreak**: Dictionary of lists of attributes keyed by ``items``
or ``albums`` to use when choosing duplicates. By default, the
tie-breaking procedure favors the most complete metadata attribute
set. If you would like to consider the lower bitrates as duplicates,
for example, set ``tiebreak: items: [bitrate]``.
Default: ``{}``.
Examples
--------
List all duplicate tracks in your collection::
beet duplicates
List all duplicate tracks from 2008::
beet duplicates year:2008
Print out a unicode histogram of duplicate track years using `spark`_::
beet duplicates -f '$year' | spark
▆▁▆█▄▇▇▄▇▇▁█▇▆▇▂▄█▁██▂█▁▁██▁█▂▇▆▂▇█▇▇█▆▆▇█▇█▇▆██▂▇
Print out a listing of all albums with duplicate tracks, and respective
counts::
beet duplicates -ac
The same as the above but include the original album, and show the path::
beet duplicates -acf '$path'
Get tracks with the same title, artist, and album::
beet duplicates -k title -k albumartist -k album
Compute Adler CRC32 or MD5 checksums, storing them as flexattrs, and report
back duplicates based on those values::
beet dup -C 'ffmpeg -i {file} -f crc -'
beet dup -C 'md5sum {file}'
Copy highly danceable items to ``party`` directory::
beet dup --copy /tmp/party
Move likely duplicates to ``trash`` directory::
beet dup --move ${HOME}/.Trash
Delete items (careful!), if they're Nickelback::
beet duplicates --delete -k albumartist -k albumartist:nickelback
Tag duplicate items with some flag::
beet duplicates --tag dup=1
Ignore items with undefined keys::
beet duplicates --strict
Merge and delete duplicate albums with different missing tracks::
beet duplicates --album --merge --delete
.. _spark: https://github.com/holman/spark
|
