query cdrw tray
Michael R. Wayne
wayne at staff.msen.com
Fri Dec 17 09:00:16 PST 2004
On Fri, Dec 17, 2004 at 12:11:52PM -0700, Ed Stover wrote:
>
> How to I ask the CD burner if it's tray is open or closed? I am creating
> a automagical shell script to do semi-unattended backups and need to
> figure out how to make sure there is a cd in the tray before I start
> burning. Any help would be greatly appreciated.
Having solved this once before, here's the code I used:
#!/bin/sh
# Spin wait for a CD into the drive
while /usr/X11R6/bin/cda status | /usr/bin/grep -q '^No_Disc'
do
sleep 1;
done
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