i3-config/scripts/i3blocks/cmus

#!/bin/bash
#
# Copyright (c) 2021 Jesús E. <heckyel@hyperbola.info>
#
# 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/>.

INFO_CMUS=$(cmus-remote -Q 2>/dev/null)

if cmus-remote -Q >/dev/null 2>&1; then
  INFO_TITLE=$(echo "${INFO_CMUS}" | sed -n -e 's/^.*title//p' | head -n 1)
  INFO_ALBUM=$(echo "${INFO_CMUS}" | sed -n -e 's/^.*album//p' | head -n 1)
  INFO_ARTIST=$(echo "${INFO_CMUS}" | sed -n -e 's/^.*artist//p' | head -n 1)
else
  exit
fi

if [[ "${INFO_ARTIST}" ]] && [[ "${INFO_TITLE}" ]] && [[ "${INFO_ALBUM}" ]]; then
  OUT_TEXT="${INFO_ARTIST} - ${INFO_TITLE} - ${INFO_ALBUM}"
elif [[ "${INFO_ARTIST}" ]] && [[ "${INFO_TITLE}" ]]; then
  OUT_TEXT="${INFO_ARTIST} - ${INFO_TITLE}"
elif [[ "${INFO_TITLE}" ]]; then
  OUT_TEXT="${INFO_TITLE}"
fi

echo "${OUT_TEXT}"
echo "${OUT_TEXT}"
exit