I'm not sure how to describe this best, but numbers2ppm.py is a Python script to turn a list of numbers into a (plain format) PPM image filled with coloured boxes. Perhaps an example is best.
$ cat test.in 01234567899876543210 $ ./numbers2ppm.py -W 40 -H 40 -c 10 ./test.in > test.ppm $ convert test.ppm test.png
You should end up with
If you're me, you could use something like this to read a dump of reference counts of physical frames of memory dumped from the kernel, creating a nice graphical view of memory usage and sharing. I imagine it may come in handy for other things too.