A very simple ImageMagick-based bash script that takes an image and tiles it. This script depends on ImageMagick, so make sure that's installed.

./image-tiler.sh -w <width> -h <height> -f <jpg|png|pdf|...> [-r <resize>] [-s <0-1>] <files...>

Each file will be tiled on its own, with each file's output being written to <filename>-tiled.<format>. Note that this script cannot combine different files into a single tiled image.

Required:

• -w <width> — Output image width in pixels.
• -h <height> — Output image height in pixels.
• -f <format> — Output image format passed to ImageMagick (jpg, png, pdf, ...).

Optional:

• -r <resize> — The input image will be resized to <width>, x<height>, or <width>x<height> (in pixels).
• -s <shift> — Every second column will be shifted by this ratio (0.5 means a shifting the image halfway).