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Groups > comp.os.linux.advocacy > #689968

Re: Need Help: Replace Bytes In Binary File

From Chris Ahlstrom <OFeem1987@teleworm.us>
Newsgroups comp.os.linux.advocacy
Subject Re: Need Help: Replace Bytes In Binary File
Date 2025-05-04 11:57 -0400
Organization None
Message-ID <vv82pn$29efv$4@dont-email.me> (permalink)
References <pan$def57$d367618d$5365ea3b$700171a@linux.rocks>

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Farley Flud wrote this post while blinking in Morse code:

> I need to replace some bytes in potentially very large binary files.
>
> Fortunately, I know the offset and I know the byte length.
>
> I can easily invoke a hex editor and manually do the replacement
> but I desire a faster method using CLI.
>
> How can I do this with CLI? 

This link has some ideas:

    https://stackoverflow.com/questions/4783657/write-byte-at-address-hexedit-modify-binary-from-the-command-line

I most crack open bvi these days. Previously I used hexer a lot. But they're no
scriptable afaik.

-- 
Preserve Wildlife!  Throw a party today!

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Thread

Need Help: Replace Bytes In Binary File Farley Flud <ff@linux.rocks> - 2025-05-04 15:32 +0000
  Re: Need Help: Replace Bytes In Binary File Chris Ahlstrom <OFeem1987@teleworm.us> - 2025-05-04 11:57 -0400
    Re: Need Help: Replace Bytes In Binary File Farley Flud <ff@linux.rocks> - 2025-05-04 19:23 +0000
      Re: Need Help: Replace Bytes In Binary File Farley Flud <ff@linux.rocks> - 2025-05-04 21:14 +0000
        Re: Need Help: Replace Bytes In Binary File vallor <vallor@cultnix.org> - 2025-05-04 21:39 +0000
          Re: Need Help: Replace Bytes In Binary File vallor <vallor@cultnix.org> - 2025-05-04 21:47 +0000
            Re: Need Help: Replace Bytes In Binary File % <pursent100@gmail.com> - 2025-05-04 17:16 -0700
            Re: Need Help: Replace Bytes In Binary File Farley Flud <ff@linux.rocks> - 2025-05-05 08:14 +0000
          Re: Need Help: Replace Bytes In Binary File % <pursent100@gmail.com> - 2025-05-04 17:15 -0700

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