[R] How to convert "c:\a\b" to "c:/a/b"?

[Gabor Grothendieck]

Try using file.choose() to locate the file instead of Windows Explorer.  That 
will return the name in a form useable within R.

On 6/27/05, Spencer Graves <spencer.graves at pdf.com> wrote:
>          Thanks, Dirk, Gabor, Eric:
> 
>          You all provided appropriate solutions for the stated problem.
> Sadly, I oversimplified the problem I was trying to solve:  I copy a
> character string giving a DOS path from MS Windows Explorer into an R
> script file, and I get something like the following:
> 
>          D:\spencerg\statmtds\R\Rnews
> 
>          I want to be able to use this in R with its non-R meaning, e.g., in
> readLine, count.fields, read.table, etc., after appending a file name.
> Your three solutions all work for my oversimplified toy example but are
> inadequate for the problem I really want to solve.
> 
>          Thanks,
>          spencer graves
> 
> Gabor Grothendieck wrote:
> 
> > On 6/27/05, Dirk Eddelbuettel <edd at debian.org> wrote:
> >
> >>On 26 June 2005 at 20:30, Spencer Graves wrote:
> >>|         How can one convert back slashes to forward slashes, e.g, changing
> >>| "c:\a\b" to "c:/a/b"?  I tried the following:
> >>|
> >>|  > gsub("\\\\", "/", "c:\a\b")
> >>| [1] "c:\a\b"
> >>
> >>This does work, provided you remember that single backslashed "don't exist"
> >>as e.g. \a is a character in itself. So use doubles are you should be fine:
> >>
> >>
> >>>gsub("\\\\", "/", "c:\\a\\b")
> >>
> >>[1] "c:/a/b"
> >>
> >
> >
> > Also, if one finds four backslashes confusing one can avoid the use
> > of four via any of these:
> >
> > gsub("[\\]", "/", "c:\\a\\b")
> > gsub("\\", "/", "c:\\a\\b", fixed = TRUE)
> > chartr("\\", "/", "c:\\a\\b")
> >
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> 
> --
> Spencer Graves, PhD
> Senior Development Engineer
> PDF Solutions, Inc.
> 333 West San Carlos Street Suite 700
> San Jose, CA 95110, USA
> 
> spencer.graves at pdf.com
> www.pdf.com <http://www.pdf.com>
> Tel:  408-938-4420
> Fax: 408-280-7915
>