For bruteforce decompressing files that have multiple zlib chunks

zlib_bruteforce.py

#Very slow, loads whole file into memory to try decompression
from zlib import decompress
import sys

size = 0
with open(sys.argv[1], "rb") as f:
    compressed = f.read()
    total_size = f.tell()
    output = ""
    for i in range(total_size):
        try: #if it decompresses, we hit a block
            test = decompress(compressed[i:])
            size += len(test)
            output += test #add it to the output
        except:
            pass
    print(size)
    name = sys.argv[1].split(".")
    name = name[:-1] + ["d"] + [name[-1]]
    with open(".".join(name), "wb") as o:
        o.write(output)