16 lines
379 B
Python
16 lines
379 B
Python
|
#!/usr/bin/env python
|
||
|
# adler32.py -- calculate adler32 checksum of data
|
||
|
# Copyright (C) 2016-present SheetJS
|
||
|
from zlib import adler32
|
||
|
from sys import argv, stdin
|
||
|
|
||
|
args=argv[1:]
|
||
|
payload=""
|
||
|
if len(args) == 0 or args[0] == "-":
|
||
|
payload = stdin.read()
|
||
|
else:
|
||
|
payload = open(args[0],"rb").read()
|
||
|
|
||
|
# NOTE: python 2 returns a signed value; python3 is unsigned
|
||
|
print adler32(payload)
|