Re: New command dump

[Robert Millan]

On Sat, Aug 04, 2007 at 11:21:24PM +0800, Bean wrote:
> On 8/4/07, Robert Millan <address@hidden> wrote:
> > On Fri, Aug 03, 2007 at 11:33:38PM +0800, Bean wrote:
> > > Hi,
> > >
> > > I have written a new command dump, it can hex dump content of file or 
> > > memory.
> > >
> > > usage:
> > >
> > > dump [-s skip] [-n length] { FILE | (mem) }
> > >
> > > The output look just like command hexdump.
> >
> > I see that the output of hexdump is the same as "od -x".  However, I find
> > "od -tx1" more useful.  Maybe it would be better to do that instead?
> 
> In my system, hexdump output look like this:
> 
> 00000000  eb 5e 80 05 20 39 ff ff  00 00 00 00 02 02 40 00  |.^.. 
> address@hidden|
> 00000010  02 00 02 43 7d f8 3f 00  3f 00 ff 00 00 00 00 00  |...C}.?.?.......|
> 00000020  00 00 00 00 80 00 29 00  00 00 00 20 20 20 20 20  |......)....     |
> 00000030  20 20 20 20 20 20 46 41  54 31 36 20 20 20 00 00  |      FAT16   ..|
> 
> od -tx1:
> 
> 0000000 eb 5e 80 05 20 39 ff ff 00 00 00 00 02 02 40 00
> 0000020 02 00 02 43 7d f8 3f 00 3f 00 ff 00 00 00 00 00
> 0000040 00 00 00 00 80 00 29 00 00 00 00 20 20 20 20 20
> 0000060 20 20 20 20 20 20 46 41 54 31 36 20 20 20 00 00
> 
> I think the previous one looks better, because it has text char as
> well as hex value.

I was referring to:

$ hexdump /bin/ls | head -n 1
0000000 457f 464c 0102 0001 0000 0000 0000 0000
$ od -tx1 /bin/ls | head -n 1
0000000 7f 45 4c 46 02 01 01 00 00 00 00 00 00 00 00 00

Your example seems ok IMO.

-- 
Robert Millan

<GPLv2> I know my rights; I want my phone call!
<DRM> What use is a phone call, if you are unable to speak?
(as seen on /.)