first get the file object names and append the s3 url with it then use the follow the command

download_s3_images.sh

imgdir=$1
urllist=$2

mkdir $imgdir

# Initialize a counter for incremental filenames
count=1

# Read URLs from the urllist file and download files
while IFS= read -r url; do
  filename="file${count}.png"
  curl "$url" --output "$imgdir/$filename"
  ((count++))
done < $urllist
echo "Finish downloading"

# deduplicate the urls and remove the headers in the file
# use the command `nohup bash download_images.sh img/ urllist.txt &> download.log &` to run it on the background