Re: how to put a single backslash into a string, to make file paths usable on windows

See also:


file.path(..., fsep = .Platform$file.sep)


https://web.mit.edu/~r/current/lib/R/library/base/html/file.path.html


I'm not sure, but help(".Platform") seems to support what I get from 
Richard O'Keefe, that "you can safely use / in file name" perhaps no 
matter which platform. At one point that was not true, but it may be the 
case now. Sorry: I cannot easily check. Spencer Graves


On 5/7/26 21:30, Richard O'Keefe wrote:
> This isn't an R thing.  The Windows system calls that accept file names
> accept both kinds of slash indifferently.  I've seen it said that this goes
> back to MS-DOS 2, but certainly it's all NT versions.  If you need to link
> C and/or Fortran with R, you can safely use / in file name strings in those
> languages too.
> 
> On Fri, 8 May 2026 at 01:18, Chris Ryan <[email protected]> wrote:
> 
>> It had been about a year since I had worked in Windows, and apparently I
>> had gotten rusty. Forward slashes in path names, as in
>>
>> read.csv("e:/path/to/datafileOnWindows.csv")
>>
>> work just fine in R on Windows.
>>
>> Sorry for the bother.
>>
>> --Chris Ryan
>>
>>
>>
>> Chris Ryan wrote:
>>> I'm trying to generalize one of my scripts so that it will run on my
>>> Linux Mint computer at home and my client's Windows 11 computer at work.
>>>   I'm encountering trouble when setting file paths, conditional on which
>>> computer the script is running on. It's the Windows backslash issue
>>>
>>
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> 
> ______________________________________________
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