Well,
Here I am subscribed to devel grub mailing list.
I supposed that my former email
(grub2 grub super disk proposals, remember?)
you have decided that is good idea to implement commands called:
grub_title
echo
and some other ideas.
I wanted to talk about user interaction.
User Interaction is very important on Grub Super Disk.
I need the user to choose some options some variables.
Just below a option line there has to be a
command which is neither title
neither option.
Once every option is read (till next title or till end of file)
the options are presented (in a menu):
2nd hard disk
3rd hard disk
4th hard disk
and once one of them is selected the lines which are
below the selected option and the next one are
executed.
In my example when we choose 2nd hard disk
the line:
swapped_hd_value=(hd1)
is executed.
So I am going to write you a hipotetical grub2 menu.lst
grub2.cfg you call it now?
with the option idea and you tell me
if you have already developed something similar
or if you're planning to do it.
# Default values of swapped disks and devices to boot
swapped_hd=2nd hard disk
swapped_hd_value=(hd1)
boot_dev=(fd0)
# grub_title is the variable for showing the grub title (in place of free
mem and grub version)
grub_title=Swap 1st hard disk with $swapped_hd and boot $boot_dev
title Select Swapped hard disk
option 2nd hard disk
swapped_hd=2nd hard disk
swapped_hd_value=(hd1)
option 3rd hard disk
swapped_hd=3rd hard disk
swapped_hd_value=(hd2)
option 4th hard disk
swapped_hd_value=(hd3)
swapped_hd=4th hard disk
title Select device to boot
option 1st partition 2nd hard disk
boot_dev=(hd1,0)
option floppy
boot_dev=(fd0)
option cdrom
boot_dev=(cd)
title Go!
map (hd0) $swap_hd_value
map $swap_hd_value (hd0)
rootnoverify $boot_dev
boot
That's all folks!
adrian15
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