File: mpgenplaylists

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mpdtoys 0.8
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#!/bin/sh
set -e

conf=/etc/mpd.conf
if [ -e $HOME/.mpdconf ]; then
	conf=$HOME/.mpdconf
fi
if [ ! -e $conf ]; then
	echo "error: $conf does not exist" >&2
	exit 1
fi

music_directory=$(grep "^music_directory" $conf | cut -d '"' -f 2 | sed -e "s!^\~!$HOME!")
playlist_directory=$(grep "^playlist_directory" $conf | cut -d '"' -f 2 | sed -e "s!^\~!$HOME!")

if [ -z "$music_directory" ] || [ -z "$playlist_directory" ]; then
	echo "error: failed to parse $conf" >&2
	exit 1
fi

if [ ! -d "$music_directory" ] || [ ! -d "$playlist_directory" ]; then
	echo "error: both $music_directory and $playlist_directory need to exist" >&2
	exit 1
fi

rm $playlist_directory/\ *.m3u 2>/dev/null || true
IFS="
"
for dir in $(cd "$music_directory"; find -type d -follow | sed 's!^./!!'); do
	playlist="$(echo "$dir" | tr "_" " " | sed 's!/! - !g')"
	if [ "$playlist" = . ]; then
		playlist=all
	fi
	find "$music_directory/$dir" -type f -follow | sort \
		> "$playlist_directory/ $playlist".m3u
done

exit

<<POD

=head1 NAME

mpgenplaylists - generate mpd playlists for each subdirectory of music

=head1 SYNOPSIS

mpgenplaylists

=head1 DESCRIPTION

B<mpgenplaylists> generates mpd playlists.

It reads your ~/.mpdconf or /etc/mpd.conf to figure out where mpd keeps its
music directory and playlist directory.

For each subdirectory of the music directory, a playlist is generated in the
playlist directory. The playlists created by this tool always start with a
space to avoid conflicts with your manually created playlists.

So if you keep your sound in Artist/Album/ directories, you'll get playlists
named like " Artist - Album", and also playlists named just " Artist" that
contain all music by that artist. An " all" playlist is also created, that
contains all your music.

Each time it's run it updates the playlists, and removes any obsolete ones
that it created before.

=head1 LIMITATIONS

It does not currently sort songs in an album by track number, but instead
sorts by filename.

=head1 AUTHOR

Copyright 2007 Joey Hess <joey@kitenet.net>

Licensed under the GNU GPL version 2 or higher.

http://kitenet.net/~joey/code/mpdtoys

=cut

POD