Set KDE Plasma desktop wallpaper

ksetroot

#!/bin/bash
# Set KDE Plasma desktop (and X11 for legacy apps) wallpaper

image=$1
usage() { echo -e "Set KDE wallpaper:\n${0##*/} <image_file>"; exit 1; }
[ ! "$*" ] || [ ! -f "$image" ] && usage
[ "$image" != "${1#/}" ] || image="$PWD/$1"

# set x11 root first
#hsetroot -full "${image}" -tint \#999999
hsetroot -cover "${image}"
# set plasma
qdbus6 org.kde.plasmashell /PlasmaShell org.kde.PlasmaShell.evaluateScript "var allDesktops = desktops();print (allDesktops);for (i=0;i<allDesktops.length;i++) {d = allDesktops[i];d.wallpaperPlugin = \"org.kde.image\";d.currentConfigGroup = Array(\"Wallpaper\", \"org.kde.image\", \"General\");d.writeConfig(\"Image\", \"file://${image}\")}"