combineEveryPictureOnYourDesktopIntoOne.sh

#!/bin/bash

# Function to generate a random hex color
generate_random_color() {
    printf "%06x\n" $((RANDOM%16777215))
}

# Set the desktop directory
desktop_dir="$HOME/Desktop"

# Check if ffmpeg is installed
if ! command -v ffmpeg &> /dev/null; then
    echo "Error: ffmpeg is not installed. Please install ffmpeg and try again."
    exit 1
fi

# Move to desktop directory
cd "$desktop_dir" || exit
# Loop through each image file in the desktop directory
image_array=()

# Use a while loop with read to iterate over filenames
while IFS= read -r -d '' img_file; do
    if [ -f "$img_file" ]; then
        image_array+=("$img_file")
    fi
done < <(find . -maxdepth 1 -type f \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" -o -iname "*.gif" \) -print0)
for img_file in "${image_array[@]}"; do
    echo "$img_file"
done

#for x in 0.1 0.25 0.5 0.75 .99
#do

#for y in 0.1 0.25 0.5 0.75 .99
#do
# Get the length of image_array
array_length=${#image_array[@]}
# Initialize an array of numbers from 0 to array_length - 1
index_array=($(seq 0 $(($array_length - 1))))

# Shuffle the index_array
shuffled_index_array=($(shuf -e "${index_array[@]}"))

# Loop through the shuffled index_array and get image_file from image_array
for index in "${shuffled_index_array[@]}"; do
    img_file="${image_array[$index]}"
   destination_file="./theOnlyImageYouNeed.png"
    
echo "$img_file"     
    # Check if the image file already exists in the destination directory
    if [ ! -f "$destination_file" ]; then
        # If it doesn't exist, copy it to the destination directory
        cp "$img_file" "$destination_file"
        echo "Copied $img_file to $destination_file"
    fi   

	# Generate random color and similarity
           
hex_values=("0" "1" "2" "3" "4" "5" "6" "7" "8" "9" "a" "b" "c" "d" "e" "f")

# Generate random color
color="#"
for i in {1..6}; do
    random_index=$(( RANDOM % 16 ))
    color="${color}${hex_values[random_index]}"
done
        similarity=0.3
        blend=0.2
        
        # Run ffmpeg command
       # ffmpeg -i "$img_file" -i ./_out.png -update 1 -y -filter_complex "[0:v]scale=1280:720[scaled0];[1:v]scale=1280:720[scaled1];[scaled1]colorkey=Black:$y:$x[ckout1];[scaled0]colorkey=White:$x:$y[ckout0];[ckout0][ckout1]overlay[out]" -map "[out]" out.png

	ffmpeg -i "$img_file" -i ./theOnlyImageYouNeed.png -update 1 -y -filter_complex "[0:v]scale=1280:720[scaled0];[1:v]scale=1280:720[scaled1];[scaled0]colorkey=White:0.25:0.15[ckout1];[ckout1]colorkey=Gray:0.2:0.15[ckout12];[ckout12]colorkey=$color:0.2:0.15[ckout123];[scaled1]colorkey=Black:0.25:0.215[ckout0];[ckout123][ckout0]overlay[out]" -map "[out]" out.png

    
#	cp ./out.png "./{$img_file}_out.png"
	mv ./out.png ./theOnlyImageYouNeed.png
done
#cp ./_out.png "sim{$x}blend{$y}.png"
#done
#done

echo "$shuffled_array"