Re: reluctant to read win95 directory (PR#231)

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Subject: Re: reluctant to read win95 directory (PR#231)
From: John Peters (John.Peters@tip.csiro.au)
Date: Thu 22 Jul 1999 - 15:17:43 EST


Message-Id: <199907220517.PAA06830@dylan.tip.CSIRO.AU>

Peter Dalgaard BSA writes:

> John.Peters@tip.csiro.au writes:
>
> > Using rw0642 under win95, on executing from a directory on the c: drive:
> >
> > system("command.com /c dir", intern=T)
> >
> > there is a whirring from drive a: (empty), then the message appears in a
> > dos box:
> >
> > General failure reading device aLP!!?
> > Abort, Retry, Fail?
>
> Not that I know anything about Windows, but is there a chance that the
> machine goes looking for command.com on the diskette? I.e. you want
> c:\\windows\\command.com instead.

I'm afraid not. Even

  system("c:\\windows\\command.com /c dir c:",intern=T)

behaves the same, ie fails several times with the above message, then
works fine until the next reboot. A further detail: the whirring on
drive a: only occurs on the first attempt; thereafter the drive is silent
as if the result is cached.

Maybe also relevant:

1. I'm starting R from a desktop shortcut with the opening directory
   named in the "Start in:" box. Exercising the R pulldown "File -
   Change dir" doesn't help.
      
2. This also happened with rw0641, but not in an earlier version (not sure
   which).

Thanks

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John Peters
CSIRO National Measurement Laboratory
PO Box 218 Phone: +61 2 9413 7503
Lindfield NSW 2070 Fax: +61 2 9413 7202
Australia Internet: John.Peters@tip.CSIRO.AU
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