#!/bin/sh
# random_wallpaper.sh
# 2023-12-18
# by Gernot Walzl
DISPLAY=${DISPLAY:-':0.0'}
WALLPAPER_DIR=${WALLPAPER_DIR:-'/usr/share/rpd-wallpaper'}
SLEEP_SECS=${SLEEP_SECS:-'3600'}
daemon () {
local WALLPAPER_JPG
while :; do
sleep "$SLEEP_SECS"
WALLPAPER_JPG=$(find "$WALLPAPER_DIR" -type f -name '*.jpg' | shuf -n1)
DISPLAY="$DISPLAY" pcmanfm --set-wallpaper="$WALLPAPER_JPG"
done
}
install () {
mkdir -p "$HOME/.config/autostart"
cat > "$HOME/.config/autostart/random_wallpaper.desktop" <<EOF
[Desktop Entry]
Type=Application
Name=Random Wallpaper
Exec=/usr/local/bin/random_wallpaper.sh
EOF
}
case "$1" in
'install') install ;;
*) daemon ;;
esac