[R] deleting a file

[Uwe Ligges]

Achim Zeileis wrote:
> 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

... and file.path() in order to specify the location in an OS 
independent way.

Uwe Ligges


> 
>>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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> 
> 
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