create markdown syntax for images

createMD.sh

#function when ran will combine all the images in a folder and post to a file called images.md
function createMD() {
    if [[ $# -eq 0 ]]; then
        echo "Do you want to create or update the Markdown file? \'images.md\'  (y/n): "
        read confirmation

        # Check the user's input
        if [[ "$confirmation" != "y" && "$confirmation" != "Y" ]]; then
            echo "Operation canceled by the user."
            return
        fi

        # Directory containing the image files (current working directory)
        image_dir=$(pwd)

        # Output Markdown file
        md_file="images.md"

        # Check if the Markdown file exists; if not, create it
        if [[ ! -f "$image_dir/$md_file" ]]; then
            touch "$image_dir/$md_file"
            echo "Created new Markdown file: $md_file"
        else
            echo "Updating existing Markdown file: $md_file"
        fi

        # Generate the list of image files (jpg, png, gif) in the current directory
        find "$image_dir" -maxdepth 1 -type f \( -iname "*.jpg" -o -iname "*.png" -o -iname "*.gif" \) | sort > /tmp/image_list.txt

        # Debugging: Check if the temporary file has content
        if [[ ! -s /tmp/image_list.txt ]]; then
            echo "No image files found in the directory: $image_dir"
            rm -f /tmp/image_list.txt
            return
        fi

        # Append the Markdown image links to the file
        while IFS= read -r image_path; do
            # Extract the file name without extension
            image_name=$(basename "$image_path")
            # Append the Markdown image link and image name to the Markdown file
            echo "![${image_name%.*}]($image_path)" >> "$md_file"
            echo "${image_name%.*}:" >> "$md_file"
        done < /tmp/image_list.txt

        # Cleanup temporary file
        rm -f /tmp/image_list.txt

        echo "Markdown file created/updated at: $image_dir/$md_file"
    fi
}