island-ctory/draw_coll_map.py

import sys

c = 0
with open(sys.argv[1], "rb") as f:
    while True:
        b = f.read(1)
        if len(b) == 0:
            break
        ws = " " if c < 31 else "\n"
        c = (c + 1) % 32
        print(f"{b[0]:02}{ws}", end="")