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On Monday 21 October 2002 05:04 pm, Thom Paine wrote:
> Is there a command or way to ready the volume id of a cd in the drive?
>
> I'm building some autoupdate scripts on rw discs and I'd like to
> implement in the script a little check to see that the right volume is
> in the drive.
I'm sure there are better ways, but none I can think of at present. This
works on a mounted or unmounted cd in /dev/cdrom
$ strings /dev/cdrom | head -2
CD001
LINUX Red Hat Linux/i386 8.0
Since you would know the volume name you are looking for, you should be
able to pass the output to grep. Something like this should work:
#! /bin/bash
strings /dev/cdrom | head -2 | grep -q "Red Hat Linux/i386" || {
echo "Error, Volume ID doesn't match!"
echo "Exiting"
exit 1
}
- --
- -Michael
pgp key: http://www.tuxfan.homeip.net:8080/gpgkey.txt
Red Hat Linux 7.{2,3} in 8M of RAM: http://www.rule-project.org/
- --
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