Parse folders recursively and list all the images in it

extractimagepaths.sh

#!/bin/bash

echo "folder,files"

find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" \) | while read filepath; do
  dir=$(dirname "$filepath")
  file=$(basename "$filepath")
  echo "$dir,$file"
done | sort | awk -F, '
{
  files[$1] = (files[$1] == "" ? $2 : files[$1]","$2)
}
END {
  for (folder in files) {
    print folder","files[folder]
  }
}
'