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Re: Conditional Statement in Grub 2

From: Antonio Dupont \(Moose Factory\)
Subject: Re: Conditional Statement in Grub 2
Date: Thu, 3 Jan 2008 08:32:52 -0800

Thanks for the reply Gregg. I think 0.97 is the path I will explore further. One last question. Do you know where the legacy archives are. I couldn't find them.

Regards,  Antonio
----- Original Message ----- From: "Gregg Levine" <address@hidden>
To: "The development of GRUB 2" <address@hidden>
Sent: Wednesday, January 02, 2008 7:00 PM
Subject: Re: Conditional Statement in Grub 2

On Jan 2, 2008 8:11 PM, Antonio Dupont <address@hidden> wrote:


I apologize if this is the wrong list, but this is the list I have found
through my searches. Please tell me where to go if this is not the proper place.

I would like to have grub do a conditional statement similar to this:

if file_name on /dev/cdrom matches file_name on /dev/sda1 (USB device) then
boot Linux else boot Windows

I've search through the Grub site and see there is some support for scripting, but I don't know how developed it is and if it can do what I'm asking. At the
boot loader stage can it even see the cdrom or USB?

I also saw in the older Grub archives ....

"For scripting support, there are a lot of uses.  For example booting a
specific OS depending on the time.  Some people requested that.  If
you look in the pupa-devel archives, you can find the examples Okuji

But, I can't find the pupa-devel archives, they seem to be off-line.

I'm using CentOS 5.0 and if I can do it with Grub 0.97 that comes with the
distro that would be great.  I can also upgrade if needed.

Any comments or direction would be much appreciated.

Thanks and regards,


Grub-devel mailing list

This is for the GRUB2 development efforts. Ideally you'd want the one
for Grub-Legacy. Oh and if your release of GRUB-0.97 was patched by
the Centos builders in some way we'll be able to advise you of course,
but your advised to bring the matter to them.
Gregg C Levine address@hidden
"This signature was once found posting rude
messages in English in the Moscow subway."

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