[R] file path

[Wincent]

As I said, the file name is derived automatically from text processing.
Thanks all the same.

On 10 May 2012 20:35, Upton, Stephen (Steve) (CIV) <scupton at nps.edu> wrote:
> Why not just construct a valid file name and use that in cat? You can then use
> file.path to join paths together if you want to write to a specific location,
> as in your example.
>
> steve
>
> -----Original Message-----
> From: r-help-bounces at r-project.org [mailto:r-help-bounces at r-project.org] On
> Behalf Of Wincent
> Sent: Wednesday, May 09, 2012 11:15 AM
> To: Tal Galili
> Cc: r help
> Subject: Re: [R] file path
>
> Hmm, I don't think it gives what I want.
>
> For example, I assign a file name to f,
>> f <- "a?b.txt"
>> file.path("e:",f)
> [1] "e:/a?b.txt"
>
> The resultant character is not accepted as a file name by Windows OS.
>
> On 9 May 2012 20:32, Tal Galili <tal.galili at gmail.com> wrote:
>> Hi Wincent,
>> Have a look at:
>> ?file.path
>>
>>
>>
>> ----------------Contact
>> Details:-------------------------------------------------------
>> Contact me: Tal.Galili at gmail.com |  972-52-7275845 Read me:
>> www.talgalili.com (Hebrew) | www.biostatistics.co.il (Hebrew) |
>> www.r-statistics.com (English)
>> ----------------------------------------------------------------------
>> ------------------------
>>
>>
>>
>>
>> On Wed, May 9, 2012 at 11:03 AM, Wincent <ronggui.huang at gmail.com> wrote:
>>>
>>> Dear all, is there any function to assert whether a file path is
>>> legitimate, and to convert any potential file path to a legitimate
>>> file path?
>>>
>>> I automate a batch of files and write them to plain text files with
>>> cat(). The file argument of cat() is generated automatically which
>>> may contain characters such as ? < >, unacceptable in Windows OS.
>>> What I do at this moment is to strip such characters off with gsub().
>>> Is there any direct way to make legitimate file path without detailed
>>> knowledge about the naming rule specific to a OS?
>>>
>>> Best
>>>
>>> --
>>> Wincent Ronggui HUANG
>>> Sociology Department of Fudan University PhD of City University of
>>> Hong Kong http://homepage.fudan.edu.cn/rghuang/cv/
>>>
>>> ______________________________________________
>>> R-help at r-project.org mailing list
>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>> PLEASE do read the posting guide
>>> http://www.R-project.org/posting-guide.html
>>> and provide commented, minimal, self-contained, reproducible code.
>>
>>
>
>
>
> --
> Wincent Ronggui HUANG
> Sociology Department of Fudan University PhD of City University of Hong Kong
> http://homepage.fudan.edu.cn/rghuang/cv/
>
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.



-- 
Wincent Ronggui HUANG
Sociology Department of Fudan University
PhD of City University of Hong Kong
http://homepage.fudan.edu.cn/rghuang/cv/