Timo Becker wrote:
> Dear R users,
>
> when I create files with the png graphics device, it overwrites existing
> files which differ concerning upper/lower case file names.
> For example, I want to create four files named "a.png", "A.png", "b.png"
> and "B.png" which contain the corresponding letters:
>
> png("a.png")
> plot(1, type="n")
> text(1, label="a")
> dev.off()
>
> png("A.png")
> plot(1, type="n")
> text(1, label="A")
> dev.off()
>
> png("B.png")
> plot(1, type="n")
> text(1, label="B")
> dev.off()
>
> png("b.png")
> plot(1, type="n")
> text(1, label="b")
> dev.off()
>
> These commands create a file named "a.png" which contains the letter "A"
> and a file named "B.png" which contains the letter "b".
> The old file name is retained, but overwritten with the output of the
> new png device with the same case-insensitive file name.
> I'm sure I missed something. Can anyone tell me how to create files
> whith case-sensitive names with the same letters?
You cannot on Windows. This is an OS but not an R issue.
Uwe Ligges
> R version 2.2.1, 2005-12-20, i386-pc-mingw32
>
> Regards,
> Timo
>
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