I've never thought of xxd as being anything but a "Vim thing".
That it had its own history (1990-1998) before being pulled into Vim is a TIL for me.
Here you go:
https://github.com/vim/vim/tree/master/src/xxd
There might still be other versions of this out there, but I suspect most OS distros pick up xxd by way of packaging Vim.
So if you work on some other xxd, you're probably in a dead fork.
The man page is also from Vim:
https://github.com/vim/vim/blob/master/runtime/doc/xxd.1
My first patch to xxd, if I were to work on it, would be to fix the man page to indicate clearly that it's the xxd bundled with Vim.
I've never thought of xxd as being anything but a "Vim thing".
That it had its own history (1990-1998) before being pulled into Vim is a TIL for me.
Here you go:
https://github.com/vim/vim/tree/master/src/xxd
There might still be other versions of this out there, but I suspect most OS distros pick up xxd by way of packaging Vim.
So if you work on some other xxd, you're probably in a dead fork.
The man page is also from Vim:
https://github.com/vim/vim/blob/master/runtime/doc/xxd.1
My first patch to xxd, if I were to work on it, would be to fix the man page to indicate clearly that it's the xxd bundled with Vim.