Randomly shuffle over 20 images script

wallpaper-single-monitor.sh

#!/bin/bash
# Assuming this Wallpapers folder is a nas mount
IMAGE_DIR="/home/user/Wallpapers/cats/"
TMP_DIR="/tmp/wallpapers"
NUM_IMAGES=20

# Create temporary directory if it doesn't exist
mkdir -p $TMP_DIR

# Check if the temporary directory is empty
if [ -z "$(ls -A $TMP_DIR)" ]; then
    # Find and copy 20 random images to the temporary directory
    find $IMAGE_DIR -type f \( -iname \*.jpg -o -iname \*.jpeg -o -iname \*.png -o -iname \*.gif \) | shuf -n $NUM_IMAGES | xargs -I {} cp {} $TMP_DIR
fi

# Set wallpaper using feh
feh --bg-max --randomize $TMP_DIR/*

# Optional: You might want to remove the copied images from /tmp after some time
# rm -f $TMP_DIR/*