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Re: Enhancement request for od, dd

From: Bob Proulx
Subject: Re: Enhancement request for od, dd
Date: Thu, 6 Apr 2006 09:41:42 -0600
User-agent: Mutt/1.5.9i

Jon Clifton wrote:
> A big endian/little endian option would be helpful in od. 

What options are you currently using with od in your typical use?  I
ask because many people don't know that using 'od -tx1' will give a
consistent output on both little and big endian machines.  That is the
option combination that I generally use with od.

> As a software archeologist I frequently have to reverse engineer
> software and data structures and find od a very useful tool for
> examining data looking for clues.

Could you share a typical usage that would be beneficial with

> I tend to use GNU Linux on Intel as a development host. Since some
> of the original systems have Endianness opposite of Intel I would
> like to be able to be able to override the host system Endian.

I wonder if the BSD hexdump command has any particular behavior here
that would be useful.  On my Debian GNU/Linux system hexdump is
installed as part of the 'bsdmainutils' package.

> I also noted that dd has a "swab" option (I guess that if for
> PDP-11) but no other choices.

In a recent discussion thread it was suggested that perhaps od should
be enhanced rather than od.



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