Fix playerctl output

.config/i3blocks/config

@@ -112,6 +112,7 @@ min_width=CPU: 100.00%
 # This displays "ARTIST - SONG" if a music is playing.
 # Supported players are: spotify, vlc, audacious, xmms2, mplayer, and others.
 [mediaplayer]
+command=~/.config/i3blocks/$BLOCK_NAME
 #instance=spoti
 interval=5
 signal=10

.config/i3blocks/mediaplayer

@@ -0,0 +1,78 @@
+#!/usr/bin/perl
+# Copyright (C) 2014 Tony Crisci <tony@dubstepdish.com>
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# Requires playerctl binary to be in your path (except cmus)
+# See: https://github.com/acrisci/playerctl
+
+# Set instance=NAME in the i3blocks configuration to specify a music player
+# (playerctl will attempt to connect to org.mpris.MediaPlayer2.[NAME] on your
+# DBus session).
+
+use Env qw(BLOCK_INSTANCE);
+
+my @metadata = ();
+my $player_arg = "";
+
+if ($BLOCK_INSTANCE) {
+    $player_arg = "--player='$BLOCK_INSTANCE'";
+}
+
+if ($ENV{'BLOCK_BUTTON'} == 1) {
+    system("playerctl $player_arg previous");
+} elsif ($ENV{'BLOCK_BUTTON'} == 2) {
+    system("playerctl $player_arg play-pause");
+} elsif ($ENV{'BLOCK_BUTTON'} == 3) {
+    system("playerctl $player_arg next");
+}
+
+if ($player_arg eq '' or $player_arg =~ /cmus$/) {
+    # try cmus first
+    my @cmus = split /^/, qx(cmus-remote -Q);
+    if ($? == 0) {
+        foreach my $line (@cmus) {
+            my @data = split /\s/, $line;
+            if (shift @data eq 'tag') {
+                my $key = shift @data;
+                my $value = join ' ', @data;
+
+                @metadata[0] = $value if $key eq 'artist';
+                @metadata[1] = $value if $key eq 'title';
+            }
+        }
+
+        if (@metadata) {
+            # metadata found so we are done
+            print(join ' - ', @metadata);
+            exit 0;
+        }
+    }
+
+    # if cmus was given, we are done
+    exit 0 unless $player_arg eq '';
+}
+
+my $artist = qx(playerctl $player_arg metadata artist);
+chomp $artist;
+# exit status will be nonzero when playerctl cannot find your player
+exit(0) if $?;
+push(@metadata, $artist) if $artist;
+
+my $title = qx(playerctl $player_arg metadata title);
+chomp $title;
+exit(0) if $?;
+push(@metadata, $title) if $title;
+
+print(join(" - ", @metadata)) if @metadata;