Date: Fri, 18 Dec 2009 02:09:58 +0100 From: Rolf Nielsen <listreader@lazlarlyricon.com> To: Anton Shterenlikht <mexas@bristol.ac.uk> Cc: freebsd-questions@freebsd.org Subject: Re: editing a binary file Message-ID: <4B2AD666.9090404@lazlarlyricon.com> In-Reply-To: <20091218005102.GA51064@mech-cluster241.men.bris.ac.uk> References: <20091218005102.GA51064@mech-cluster241.men.bris.ac.uk>
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Anton Shterenlikht wrote: > I'm creating binary files in fortran. > Fortran adds 4 byte record delimiters at the beginning > and the end of each record, which, in the case of a binary > file, is just at the beginning and at the end of the file. > I need to delete these record delimiters, because the > software I use to visualise the binary files interprets > them as data. But I don't know how. I've looked at > hexdump and od, but those are only dumping (I think) > file contents, and I cannot see how to edit a file with them. > > Any advice? > > many thanks > anton > Hello Anton, My bet would be /usr/ports/editors/hexedit. Been a while since I've used it, but AFAIR, it has a curses or a curses like interface, and it's fairly simple to use, yet sufficiently powerful for most normal binary editing. If you want a GUI, I believe gnome (and probably KDE as well) has its own hex editor. Good luck, Rolf
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