dcttransform.py

#!/usr/bin/env python3
# Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted.
import sys
import struct
dct = [n[0] for n in struct.iter_unpack("h", sys.stdin.buffer.read())]
dct = eval(sys.argv[1])
for n in dct:
    sys.stdout.buffer.write(struct.pack("h", n))