249 lines
6.9 KiB
Bash
Executable File
249 lines
6.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# ┬┌─┬ ┬┌┐┌┌─┐┌┬┐
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# ├┴┐│ ││││└─┐ │
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# ┴ ┴└─┘┘└┘└─┘ ┴
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# Created by Siddharth Dushantha
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#
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# Dependencies: sxiv, imagemagick, bash, ffmpeg, mpc, jq
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VERSION=1.2.3
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COVER=/tmp/kunst.png
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MUSIC_DIR=~/Music/
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SIZE=250x250
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X=50
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Y=50
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show_help() {
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echo "usage: kunst [-h] [--size "px"] [--music_dir "path/to/dir"] [--silent] [--version]"
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echo " "
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echo "┬┌─┬ ┬┌┐┌┌─┐┌┬┐"
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echo "├┴┐│ ││││└─┐ │"
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echo "┴ ┴└─┘┘└┘└─┘ ┴"
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echo "Download and display album art or display embedded album art"
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echo " "
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echo "optional arguments:"
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echo " -h, --help show this help message and exit"
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echo " --size what size to display the album art in"
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echo " --x X"
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echo " --y Y"
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echo " --music_dir the music directory which MPD plays from"
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echo " --silent dont show the output"
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echo " --version show the version of kunst you are using"
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}
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# Parse the arguments
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options=$(getopt -o h --long size:,x:,y:,music_dir:,version,silent,help -- "$@")
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eval set -- "$options"
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while true; do
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case "$1" in
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--size)
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shift;
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SIZE=$1
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;;
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--x)
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shift;
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X=$1
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;;
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--y)
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shift;
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Y=$1
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;;
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--music_dir)
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shift;
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MUSIC_DIR=$1
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;;
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-h|--help)
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show_help
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exit
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;;
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--version)
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echo $VERSION
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exit
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;;
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--silent)
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SILENT=true
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;;
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--)
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shift
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break
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;;
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esac
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shift
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done
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# This is a base64 endcoded image which will be used if
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# the file does not have an emmbeded album art.
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# The image is an image of a music note
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read -d '' MUSIC_NOTE << EOF
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EOF
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is_connected() {
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# Check if internet is connected. We are using api.deezer.com to test
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# if the internet is connected because if api.deezer.com is down or
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# the internet is not connected this script will work as expected
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if ping -q -c 1 -W 1 api.deezer.com >/dev/null; then
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connected=true
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else
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if [ ! $SILENT ];then
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echo "kunst: unable to check online for the album art"
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fi
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connected=false
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fi
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}
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get_cover_online() {
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# Check if connected to internet
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is_connected
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if [ $connected == false ];then
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ARTLESS=true
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return
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fi
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# Try to get the album cover online from api.deezer.com
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API_URL="http://api.deezer.com/search/autocomplete?q=$(mpc current)" && API_URL=${API_URL//' '/'%20'}
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# Extract the albumcover from the json returned
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IMG_URL=$(curl -s "$API_URL" | jq -r '.playlists.data[0] | .picture_big')
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if [ "$IMG_URL" = '' ] || [ "$IMG_URL" = 'null' ];then
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if [ ! $SILENT ];then
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echo "error: cover not found online"
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fi
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ARTLESS=true
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else
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if [ ! $SILENT ];then
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echo "kunst: cover found online"
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fi
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curl -o $COVER -s $IMG_URL
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ARTLESS=false
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fi
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}
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update_cover() {
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# Extract the album art from the mp3 file and dont show the messsy
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# output of ffmpeg
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ffmpeg -i "$MUSIC_DIR$(mpc current -f %file%)" $COVER -y &> /dev/null
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# Get the status of the previous command
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STATUS=$?
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killall n30f
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# Check if the file has a embbeded album art
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if [ $STATUS -eq 0 ];then
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if [ ! $SILENT ];then
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echo "kunst: extracted album art"
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fi
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ARTLESS=false
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else
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DIR="$MUSIC_DIR$(dirname "$(mpc current -f %file%)")"
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if [ ! $SILENT ];then
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echo "kunst: inspecting $DIR"
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fi
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# Check if there is an album cover/art in the folder.
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# Look at issue #9 for more details
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for CANDIDATE in "$DIR/cover."{png,jpg}; do
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if [ -f "$CANDIDATE" ]; then
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STATUS=0
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ARTLESS=false
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convert "$CANDIDATE" $COVER
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if [ ! $SILENT ];then
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echo "kunst: found cover.png"
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fi
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fi
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done
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fi
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if [ $STATUS -ne 0 ];then
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if [ ! $SILENT ];then
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echo "error: file does not have an album art"
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fi
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get_cover_online
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fi
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# Resize the image to 250x250
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if [ $ARTLESS == false ]; then
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convert $COVER -resize $SIZE $COVER
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if [ ! $SILENT ];then
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echo "kunst: resized album art to $SIZE"
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fi
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fi
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}
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pre_exit() {
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# Get the proccess ID of kunst and kill it.
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# We are dumping the output of kill to /dev/null
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# because if the user quits sxiv before they
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# exit kunst, an error will be shown
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# from kill and we dont want that
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kill -9 $(cat /tmp/kunst.pid) &> /dev/null
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}
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main() {
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# Flag to run some commands only once in the loop
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FIRST_RUN=true
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while true; do
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update_cover
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notify-send "Now Playing ♫" "$(mpc current)" &
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n30f -x $X -y $Y $COVER -t Kunst -c "killall n30f" &
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if [ $ARTLESS == true ];then
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# Dhange the path to COVER because the music note
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# image is a png not jpg
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COVER=/tmp/kunst.png
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# Decode the base64 encoded image and save it
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# to /tmp/kunst.png
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echo "$MUSIC_NOTE" | base64 --decode > $COVER
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fi
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if [ ! $SILENT ];then
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echo "kunst: swapped album art to $(mpc current)"
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printf '%*s\n' "${COLUMNS:-$(tput cols)}" '' | tr ' ' -
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fi
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if [ $FIRST_RUN == true ]; then
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FIRST_RUN=false
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# Display the album art using sxiv
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# sxiv -g $SIZE -b $COVER -N "Kunst" &
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notify-send "Now Playing ♫" "$(mpc current)" &
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n30f -x $X -y $Y $COVER -t Kunst -c "killall n30f" &
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# Save the process ID so that we can kill
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# sxiv when the user exits the script
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echo $! >/tmp/kunst.pid
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fi
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# Waiting for an event from mpd; play/pause/next/previous
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# this is lets kunst use less CPU :)
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mpc idle &> /dev/null
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if [ ! $SILENT ];then
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echo "kunst: received event from mpd"
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fi
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done
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}
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# Disable CTRL-Z because if we allowed this key press,
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# then the script would exit but, sxiv would still be
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# running
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trap "" SIGTSTP
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trap pre_exit EXIT
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main
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