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Home/ Questions/Q 3609628
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Editorial Team
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Editorial Team
Asked: May 18, 20262026-05-18T21:39:06+00:00 2026-05-18T21:39:06+00:00

I have a large file and need to delete last 512 bytes. I don’t

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I have a large file and need to delete last 512 bytes. I don’t want to duplicate file.

Thanks.

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  1. Editorial Team
    Editorial Team
    2026-05-18T21:39:07+00:00Added an answer on May 18, 2026 at 9:39 pm

    You should use ftruncate(handle, file_size - 512) (get the file size with filesize or fstat function)

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