14 lines
277 B
Python
14 lines
277 B
Python
import sys
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with open(sys.argv[1], 'rb') as f:
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buf = f.read()
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with open(sys.argv[2], 'wb') as f:
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for i in range(len(buf) // 4):
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r = buf[i*4+0]
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g = buf[i*4+1]
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b = buf[i*4+2]
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a = buf[i*4+3]
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f.write(bytes(reversed([a, r, g, b])))
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