[R] deleting a file
Achim Zeileis
Achim.Zeileis at wu-wien.ac.at
Tue Nov 16 17:30:49 CET 2004
On Tue, 16 Nov 2004 15:43:12 -0000 Roger Gill wrote:
> Dear all,
>
> I have a very simple question. Simple, that is, if you know the
> answer.
Yes, look at
?file.remove
Z
> I wish to delete a file in a given directory after having first
> checked its existence. I issue the following commands
>
> path<-'c:example/R/'
>
> Thus creating the directory.
>
> indicator<-length(grep(filename,path))
>
> If indicator is greater than zero then the file exists. Now I wish to
> remove this file. However, I would like to make the code compatible
> for Linux/Windows and Macs.
>
> In Linux I would issue the command
>
> system('rm paste(path,'filename',sep='')')
>
> and this works just fine. It does not however work for windows, and I
> have no idea whether it would work on a mac.
>
> Is there a single command thay escapes me?
>
> Best Wishes
>
> Roger Gill
>
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