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Rulesless, posted Fri Feb 18, 2022 9:59 pm (69986)

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I have a problem recompressing some .rpt files (SM3DAS): in most cases everything works correctly, but for some files appears "Error: the compressed data is bigger than the original one...", even using "-r -r" (I don't need same size, only same compression).
The attached file is affected by this problem (all are .rpt).
Thanks for helping.

aluigi, posted Sat Feb 19, 2022 2:54 am (69998)

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Since the whole BIN file is compressed without additional data before and after the compressed data, you can just compress it from scratch by using a tool like packzip or a quickbms script like the following:

Code:

comtype zlib_compress
get SIZE asize
clog "new.bin" 0 SIZE SIZE

(Please note that by default packzip puts the compressed data in the output file so, if the file already exists, you probably want to use the -c option for "recreating" it)

Rulesless, posted Sat Feb 19, 2022 3:46 am (70001)

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Thank you very much!

yamato, posted Wed Jul 06, 2022 7:43 am (72478)

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Hi i got same issue for a file !
All was ok for the uncompression deflate , i tested this :
offzip.exe -a -z -15 -1 input_file output_folder
result was output.dat file inside output folder, it was what i wanna get

by testing same with the -r for recompression, i got " Error: the compressed data is bigger than the original one"
command was
offzip.exe -a -r -z -15 -1 input_file output_folder

For the test, i just tried to recompress the same file, without changes !


Thanks you