Date: Sun, 18 May 2003 11:16:25 +0200 From: David Rio <drio@perpels.com> To: freebsd-questions@freebsd.org Subject: Re: how to know if there is a cd inside the cdwriter Message-ID: <20030518091625.GA11341@perpels.com> In-Reply-To: <20030518060417.GA670@sten.alder.net> References: <20030516070445.GA43651@perpels.com> <44bry1ngdc.fsf@be-well.ilk.org> <20030518060417.GA670@sten.alder.net>
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On Sun, May 18, 2003 at 02:04:17AM -0400, Bob Hall wrote: > David Rio <drio@perpels.com> writes: > > > I am writing a little script to backup my data. I would like > > to know if there is a CD inside the cdwriter before launch the > > burn process. Any idea? > > Here's a snippet from a bash script I use to do the same thing with > a dvd burner. The burner is external, so the script has alread checked > to see if the burner is mounted. > > melding=$(sudo mount -t ufs -o rw /dev/cd0a $montering_punkt 2>&1) > #Om mount ikke returnerer 0, er noe galt. > if [ $? -ne 0 ] > then > if [ "$melding" = "mount: /dev/cd0a: Device not configured" ] > then Thanks. I have received another answer from Lowell Gilbert that point me to use "cdcontrol info" and then parse the output. This one is good too.
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