?dir.create (part of the base package) says that:
"dir.create and Sys.chmod return a logical vector indicating which
operation succeeded for each of the files attempted"
However, on my system it returns nothing (whether successful or not):
> dir.create(":::@!#!::")
> dir.create('b')
> sessionInfo()
R version 2.9.0 (2009-04-17)
i386-pc-mingw32
locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
attached base packages:
[1] stats graphics grDevices utils datasets methods base
>
HTH, Robert
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