spotify_info.sh

#!/bin/bash
PLAYER="Plexamp"

P_VERSION="0.1"
SP_DEST="org.mpris.MediaPlayer2.$PLAYER"
SP_PATH="/org/mpris/MediaPlayer2"
SP_MEMB="org.mpris.MediaPlayer2.Player"

SPOTIFY_METADATA="$(dbus-send                                                 \
  --print-reply                                  `# We need the reply.`       \
  --dest=$SP_DEST                                                             \
  $SP_PATH                                                                    \
  org.freedesktop.DBus.Properties.Get                                         \
  string:"$SP_MEMB" string:'Metadata'                                         \
  | grep -Ev "^method"                           `# Ignore the first line.`   \
  | grep -Eo '("(.*)")|(\b[0-9][a-zA-Z0-9.]*\b)' `# Filter interesting fiels.`\
  | sed -E '2~2 a|'                              `# Mark odd fields.`         \
  | tr -d '\n'                                   `# Remove all newlines.`     \
  | sed -E 's/\|/\n/g'                           `# Restore newlines.`        \
  | sed -E 's/(xesam:)|(mpris:)//'               `# Remove ns prefixes.`      \
  | sed -E 's/^"//'                              `# Strip leading...`         \
  | sed -E 's/"$//'                              `# ...and trailing quotes.`  \
  | sed -E 's/\"+/|/'                            `# Regard "" as seperator.`  \
  | sed -E 's/ +/ /g'                            `# Merge consecutive spaces.`\
  )"

TrackArtist=$(echo "$SPOTIFY_METADATA" | sed -n 's/artist|//p')
TrackTitle=$(echo "$SPOTIFY_METADATA" | sed -n 's/title|//p')

# Display track name and artist. Limit length
echo "$TrackArtist - $TrackTitle" | cut -c 1-35