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#!/usr/bin/env bash
# ==================================================
# KoolDots (2026)
# Project URL: https://github.com/LinuxBeginnings
# License: GNU GPLv3
# SPDX-License-Identifier: GPL-3.0-or-later
# ==================================================
# source https://wiki.archlinux.org/title/Hyprland#Using_a_script_to_change_wallpaper_every_X_minutes
# This script will randomly go through the files of a directory, setting it
# up as the wallpaper at regular intervals
#
# NOTE: this script uses bash (not POSIX shell) for the RANDOM variable
wallust_refresh=$HOME/.config/hypr/scripts/RefreshNoWaybar.sh
focused_monitor=$(hyprctl monitors | awk '/^Monitor/{name=$2} /focused: yes/{print name}')
if command -v awww >/dev/null 2>&1; then
WWW="awww"
else
WWW="swww"
fi
if [[ $# -lt 1 ]] || [[ ! -d $1 ]]; then
echo "Usage:
$0 <dir containing images>"
exit 1
fi
# Edit below to control the images transition
export SWWW_TRANSITION_FPS=60
export SWWW_TRANSITION_TYPE=simple
# This controls (in seconds) when to switch to the next image
INTERVAL=1800
while true; do
find "$1" \
| while read -r img; do
echo "$((RANDOM % 1000)):$img"
done \
| sort -n | cut -d':' -f2- \
| while read -r img; do
$WWW img -o $focused_monitor "$img"
# Regenerate colors from the exact image path to avoid cache races
$HOME/.config/hypr/scripts/WallustSwww.sh "$img"
# Refresh UI components that depend on wallust output
$wallust_refresh
sleep $INTERVAL
done
done
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