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Re: Command extension suggestions
From: |
Bean |
Subject: |
Re: Command extension suggestions |
Date: |
Thu, 14 Jun 2007 14:24:51 +0800 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
On Thu, Jun 14, 2007 at 08:08:09AM +0200, Robert Millan wrote:
> On Thu, Jun 14, 2007 at 11:46:49AM +0800, Bean wrote:
> > These ideas are mostly from grub4dos, I think they can be useful in GRUB2.
> >
> > 1. cat
> >
> > In addition to the current function, cat can also generate hexadecimal
> > dump,
> > and it can optionally choose the range of bytes to display. For example:
> >
> > cat [--hex] [--skip=S] [--length=L] FILE
>
> Wouldn't it be more consistent to call it:
>
> od [-j|--skip-bytes=S] [-N|--read-bytes=L] FILE
>
Good idea.
> > Sometimes it's useful to dump the content of physical memory, it can be
> > implemented with a special option --mem. For example,
> >
> > cat [--mem] [--skip=S] [--length=L] base_address
> >
> > It can also be implemented with virtual device (md). For example,
> >
> > cat --hex (md)+2
>
> That sounds much cleaner IMHO. But IIRC (md) is already in use by the
> RAID/LVM stuff ?
>
Maybe (mem) ?
Also, I don't know if GRUB2 kernel support initrd. You can start grub4dos
like this:
kernel /grub.exe
initrd /aa.img
Inside grub4dos, the initrd can be access using (rd). It would be nice if
grub2 support this kind of usage.
> > 2. find
> >
> > Find command is missing in GRUB2. It's used to find the device which
> > contains
> > a certain file.
> >
> > find [--set=var_name] FILENAME
>
> We have this already, only with different name:
>
> search --set /file
>
> (root is implicit, but it can be overriden)
Thanks for pointing out.
--
Bean <address@hidden>
- Command extension suggestions, Bean, 2007/06/13
- Re: Command extension suggestions, Robert Millan, 2007/06/14
- Re: Command extension suggestions,
Bean <=
- Re: Command extension suggestions, Marco Gerards, 2007/06/14
- Re: Command extension suggestions, Bean, 2007/06/14
- Re: Command extension suggestions, Marco Gerards, 2007/06/14
- Re: Command extension suggestions, Bean, 2007/06/14
- Re: Command extension suggestions, Marco Gerards, 2007/06/14
- Re: Command extension suggestions, Bean, 2007/06/14
- Re: Command extension suggestions, Marco Gerards, 2007/06/14