FileChunkIO is a way to upload huge files to Amazon S3 in multiple parts without
having to split them physically upfront (which requires more time and twice the
disk space) or creating in-memory chunks as StringIO instances.

Optionanl: python3

Note: To install python3 bindings install python3 and run script with PYTHON3=yes.

  # PYTHON3=yes ./filechunkio.SlackBuild