Cmus current track's display script with kdialog

kdialog_cmus.sh

#!/bin/sh

timeout=2
time=""

# Take input argument
while [ "$1" != "" ]; do
        case "$1" in
                title)
                        title="$2" ;;
                artist)
                        artist="$2" ;;
                duration)
                        duration=$2 ;;
                album)
                        album="$2" ;;
                status)
                        status="$2" ;;
                file)
                        file="$2" ;;
        esac
        shift
        shift
done

# Adjust time output
[ "$((duration/60))" -lt 10 ] && time=$time"0"
time=$time"$((duration/60)):"

[ "$((duration%60))" -lt 10 ] && time=$time"0"
time=$time"$((duration%60))"

# Extract cover from mp3 file
yes | ffmpeg -i "$file" /tmp/cover.jpg > /dev/null 2> /dev/null && \
        icon=/tmp/cover.jpg || icon=$HOME/.config/cmus/icon.svg

# Set title and message
top="Cmus $status"
msg="<b>$title</b> by <b>$artist</b> on <b>$album</b> ($time)"

kdialog --passivepopup "$msg" $timeout --title "$top" --icon "$icon"