Arvados

#!/usr/bin/env python

from __future__ import print_function

import arvados

import sys

if len(sys.argv) < 2:

    print("Usage: 7225.py filename [filename ...]")

    sys.exit(2)

out_coll = arvados.collection.Collection()

for in_name in sys.argv[1:]:

    with out_coll.open(in_name, "wb") as writer, open(in_name, "rb") as reader:

        dat = reader.read(64*1024)

        while dat:

            writer.write(dat)

            dat = reader.read(64*1024)

print(out_coll.manifest_text())