/usr/bin/mprev is in mpdtoys 0.24.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | #!/usr/bin/perl
use strict;
use warnings;
use Audio::MPD q{0.19.0};
=head1 NAME
mprev - reverse the mpd playlist
=head1 SYNOPSIS
mprev [host]
=head1 DESCRIPTION
B<mprev> reverses mpd's playlist. That's all. The currently playing
song doesn't change. The song you heard last will be the next song to
play.
If the hostname is omitted, the MPD_HOST environment variable will be used.
=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
if (@ARGV) {
$ENV{MPD_HOST}=shift;
}
my $mpd=Audio::MPD->new(conntype => "reuse");
my $pl=$mpd->playlist;
my $current=$mpd->current;
if (! $current) {
die "playlist seems to be empty\n";
}
my $pos=$mpd->current->pos;
my $id=$mpd->current->id;
my $past=0;
my @list=$pl->as_items;
foreach my $song (reverse @list) {
if ($past) {
$pl->moveid($song->id, $#list);
}
elsif ($id eq $song->id) {
$past=1;
}
else {
$pl->moveid($song->id, $pos++);
}
}
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