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41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
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#!/usr/bin/env python3
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# parameters
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# 1 - output filename for combined data file
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# 2,3 - input filename, output index record filename
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# 4,5 - ""
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# 6,7... in pairs
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import os.path
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import sys
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if __name__ == "__main__":
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output_file = sys.argv[1]
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offset = os.path.getsize(output_file)
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data = []
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index_records = []
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# read and aggregate all input files, and generate index records
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for input_file in sys.argv[2::2]:
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with open(input_file, 'rb') as input_handle:
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data.append(input_handle.read())
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size = len(data[-1])
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index_records.append(f""";
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; Index record for {input_file}
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;
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; This file is automatically generated
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;
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!byte 0
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!be24 {offset:>9}
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!le16 {size:>8}
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""")
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offset += size
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# write out index records to specified files
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for index_file, record in zip(sys.argv[3::2], index_records):
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with open(index_file, 'w') as index_handle:
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index_handle.write(record)
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# write out combined data
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with open(output_file, 'ab') as output_handle:
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output_handle.write(b''.join(data))
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