[R] Eval and parse function applied on file path
Prof Brian Ripley
ripley at stats.ox.ac.uk
Sat Oct 18 23:17:49 CEST 2008
On Sat, 18 Oct 2008, Tomislav Puđa wrote:
> I have problem when evaluating string containing file path.
> path <-"inputDirectory='d:\\diplomski_rad\\testOutput\\temp'"
> After executing code, I get
>  "d:diplomski_rad\testOutput\temp"
> Warning messages:
> 1: '\d' is an unrecognized escape in a character string
> 2: unrecognized escape removed from "d:\diplomski_rad\testOutput\temp"
> I try different combination but without luck. What's the problem ?
Lack of quoting: you need to esape \ twice, for the parser and for the
string. So that means liteally \\\\ .
Why not use '/' for file paths (see both the FAQ and rw-FAQ)?
And why not use
> [[alternative HTML version deleted]]
Please note that you were asked not to do this.
> R-help at r-project.org mailing list
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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