On 12/31/2005 3:59 PM, Gabor Grothendieck wrote:
> Just wanted to point out to anyone trying to write Windows
> batch files that the new R-whatever folder names bring out
> a bug in Windows batch files related to short file names.
>
> In particular, this code (which is to the best of my understanding,
> valid) gives an error. The solution appears to be to use long file
> names, and make sure you quote them, rather than short ones.
> That does require that R be able to handle such long names and
> I think R does, in fact, handle them but at one time it did not in
> all cases so use of short file names is likely just a workaround
> from older times. This does not affect R itself as far as I know
> but did affect my batchfiles which I have revised. I am using
> Windows XP.
>
> C:\>set apath=\Program Files\R\R-2.2.1
> C:\>for /f "delims=" %a in ("%apath%") do set AA=%~sa
> C:\>set aa
> AA=C:\PROGRA~1\R\R-22~1.1.2.1
> C:\>cd %aa%
> The system cannot find the path specified.
>
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Please let us know Microsoft's response to your bug report.
Duncan Murdoch
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