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#! /bin/sh
# dr_unsort - wrapper for unsort(1), based upon mpd-unsort by Wessel Dankers
#
# This file is maintained at http://git.mdcc.cx/draai
# Copyright: © 2008-2009 Wessel Dankers
# Copyright: © 2009 Joost van Baal
# This program is in the public domain.
#
# homsar.uvt.nl:/usr/local/bin/mpd-unsort - by Wessel Dankers
#
# ma 27 11:11 < joostvb> Fruit: Is homsar:/usr/local/bin/mpd-unsort GPL-ed?
# ma 27 11:13 < Fruit> joostvb: eh nee, public domain
# ma 27 11:13 < joostvb> Fruit: ok, thanks!
# april 2009 [11:14] [joostvb(+i)] [5:meuknet/#uvt] [Act: 3,14]
# unsort doet eerlijk mengen van 2 playlists.
# of:
# za 05 07:17 < joostvb> Fruit: in mpd's src/playlist.c, naast int
# shufflePlaylist(int fd), moet een int
# za 05 07:17 < joostvb> unsortPlaylist(int fd) komen.
# za 05 07:17 < joostvb> Fruit: ja echt
# za 05 07:17 < joostvb> damnit
# za 05 07:17 < joostvb> en t protocol moet dan ook nog uitgebreid worden.
# command unsort naast command shuffle
# .
# > laat draai in /var/lib/mpd/playlists krassen, en gebruik op die
# > manier unsort. playlists exporteren over nfs indien nodig.
# .
# Tue 29 13:39 < joostvb> maar ik heb toch schrijfrechten op
# homsar:/var/lib/mpd/playlists nodig?
# Tue 29 13:40 < Fruit> Toevoegen gebruiker `joostvb' aan groep `audio'...
# .
# ~/.draai/playlists should be symlink to /var/lib/mpd/playlists
playlists=${DR_PLAYLISTS:-/var/lib/mpd/playlists}
for uid in $UID $LOGNAME $USER;do :;done
prefix=${uid}_unsort_
unsort=${DR_UNSORT:-`command -v unsort`}
unset LANG LC_ALL
set -e
exec >/dev/null
current=$(mpc | sed -n 's|^\[[^]]*\] *#\([0-9]\+\)/.*$|\1|p')
case $current in *[!0-9]*|0*|'')
echo "Can't get number of currently playing track ($current)" >&2
exit 2
esac
if [ -f $playlists/${prefix}in.m3u ]
then
mpc rm ${prefix}in
fi
mpc save ${prefix}in
trap 'rm -f $playlists/${prefix}head.m3u $playlists/${prefix}tail.m3u' EXIT
head -n $(( $current - 1 )) $playlists/${prefix}in.m3u >$playlists/${prefix}head.m3u
tail -n +$(( $current + 1 )) $playlists/${prefix}in.m3u |
$unsort "$@" >$playlists/${prefix}tail.m3u
mpc --no-status random off
while ! mpc crop
do
sleep 1
done
mpc load ${prefix}head
mpc move 1 $current
mpc load ${prefix}tail
mpc rm ${prefix}in
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