Subj : Re: how to detect cdrom?
To   : Steve
From : Stan Brown
Date : Sat Feb 09 2002 01:12 pm

From: Stan.Brown@f3.n342.z1.cereal.mv.com (Stan Brown)
Subject: Re: how to detect cdrom?

From: brahms@mindspring.com (Stan Brown)

E. S. (Steve) Fabian <ESFabian@BellAtlantic.net> wrote in comp.os.msdos.4dos:
>unset v
>DO dn = %@ascii[d] to %@ascii[z]
>  set d=%@char[%dn]:
>  if %@ready[%d]     EQ 0 iterate
>  if %@cdrom[%d]     NE 0 iterate
>  if %@removable[%d] NE 0 iterate
>  if %@remote[%d]    NE 0 iterate
>  switch %@label[%d]
>  case MS-RAMDRIVE .or. VIRTUALDISK
>    set v=%d
>    leave
>  endswitch
>ENDDO
>unset d dn
>
>At this point the variable v is either set to X: where X is a drive
>labeled as virtual, or it is undefined.

Interesting technique, Steve. I've saved it.

--
Stan Brown, Oak Road Systems, Cortland County, New York, USA
                                          http://oakroadsystems.com
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