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join_bins.py

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# SPDX-FileCopyrightText: 2014 MicroPython & CircuitPython contributors (https://github.com/adafruit/circuitpython/graphs/contributors)

#

# SPDX-License-Identifier: MIT

import sys

output_filename = sys.argv[1]

input_filenames = {}

i = 2

while i < len(sys.argv):

offset = int(sys.argv[i], 16)

filename = sys.argv[i + 1]

input_filenames[offset] = filename

i += 2

with open(output_filename, "wb") as output_file:

offsets = sorted(input_filenames.keys())

for offset in offsets:

input_filename = input_filenames[offset]

# Fill with ones to save NOR flash.

while output_file.tell() < offset:

output_file.write(b"\xff")

with open(input_filename, "rb") as input_file:

output_file.write(input_file.read())