Really simple, really stupid way to use a dict to describe filters on a file tree,
because I'm too lazy to write out the whole input set when I need to concatenate a
PDF with pdftk.
- Python3.4+
There's a collate package on pip, so install in a dedicated virtual environment
just in case.
pip install git+https://github.com/jbertran/collate.git
collate --help