26 lines
587 B
Python
Executable File
26 lines
587 B
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import sys
|
|
import struct
|
|
|
|
WORD_BE = struct.Struct(">I")
|
|
WORD_LE = struct.Struct("<I")
|
|
|
|
if __name__ == "__main__":
|
|
if len(sys.argv) < 3:
|
|
print("usage: xilswap.py <in> <out>")
|
|
|
|
with open(sys.argv[1], "rb") as f:
|
|
data = f.read()
|
|
|
|
assert(len(data) % 4 == 0)
|
|
|
|
print("total", len(data)//4)
|
|
with open(sys.argv[2], "wb") as f:
|
|
for i in range(len(data)//4):
|
|
word = WORD_BE.unpack(data[i*4:i*4+4])[0]
|
|
f.write(WORD_LE.pack(word))
|
|
if i % 10000 == 0:
|
|
print(i, "/", len(data)//4)
|
|
|