Spend enough time on the command line and you’ll eventually want to do many tasks…that take some intricate commands…repeatedly. A good example of this, is making thumbnails of photos. Basically, our workhorse of this script is not ImageMagick (which provides convert, identify and mogrify), but the for loop in bash itself. Ready? Grab your pen-knife and let’s whittle out a script: (Read the rest at Freedom Penguin)
