batch watermarking using convert command in Linux

Imagemagick is a very handy tool in linux to do a whole lot of things with images like cropping, resizing, frames, borders, watermark, compositing multiple images, etc. And with an easy to understand command line interface, it becomes easier to write a small shell script which could process images in a batch mode. I keep taking a lot of snaps and I want all the images to be watermarked with "Abeer Arts" and a nice frame around the picture to add to its beauty. I had a software called "Batch Watermarker" in Windows but the executable got corrupted with some virus (Windows sucks !!!) and I had already accumulated a huge backlog of images to be watermarked. Then I switched to linux mode and did a little bit of searching on google for watermarking with imagemagick library and finally wrote a small shell script which makes a frame around the image and also puts a text watermark. Here is the script:

if test -d $1
then
  for f in $(ls $1 | grep .jpg)
  do
    echo $f
    convert $f -font Gentium-Regular -pointsize $2 -draw "gravity southeast fill black text -5,12 'Watermark text' fill white text 0,5 'Watermark text'" $f
    convert -mattecolor black -frame 15x15+5+5 $f $f
    convert +raise 30x30 $f $f
  done
fi

$1 -> first command line argument giving the directory location containing the images
$2 -> pointsize which defines the size of the watermark text over the image

I kept the name of the script "abeerify" ;) To run the script, copy the scipt to /usr/bin and change the permissions to 755. Then on command prompt type:

/> abeerify folderpath 65
where 65 is the font size for the watermark text.