Watermark you ID with ImageMagick before sending to this new shiny app

watermark_doc.sh

function watermark_doc {
    text_top="text 10,10 '$2'"
    text_bottom="text 5,15 '$2'"
    output_file="${1}_watermarked_$(date +%s).jpg"

    convert -size 140x80 xc:none -gravity center -fill '#80808080' \
              -gravity NorthWest -draw "${text_top}" \
              -gravity SouthEast -draw "${text_bottom}" \
              miff:- |\
              composite -tile - "$1" "${output_file}"
    open "${output_file}"
}