"Your script will need to do some image operations like resizing
from the command-line. For that, I recommend ImageMagick, available
as a package in just about every Linux distro. Just apt-get install
imagemagick or yum install imagemagick or whatever your distro
prefers, and you're ready to go. If you prefer GraphicsMagick, a
fork of ImageMagick, that's okay too. All the basic commands are
"For this project, you'll also want a directory with some images
in it. You can create a directory with mkdir dirname or use your
favorite file manager. Then copy some images into it. Be sure to
copy, not move: you'll be making changes to images in this
directory, and you wouldn't want to overwrite the originals."
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