https://www.pistack.xyz/tags/data-formats/ Recent content in Data-Formats on Pi Stack Hugo en-us Fri, 25 Sep 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-09-25-binary-format-parsing-kaitai-struct-binrw-imhex-hachoir/ Fri, 25 Sep 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-09-25-binary-format-parsing-kaitai-struct-binrw-imhex-hachoir/ <p>Every undocumented file format you have ever had to read has cost you the same afternoon: a hex dump on one screen, a format specification PDF on the other, and a growing pile of <code>offset += 4</code> arithmetic that silently breaks the moment a new firmware revision ships. I have watched teams spend a full sprint on a vendor&rsquo;s proprietary telemetry log, then re-do the whole job in Rust six months later because nobody wrote the layout down.</p>