[R] file path

[jim holtman]

Has any mentioned

?make.names

On Thu, May 10, 2012 at 8:39 AM, Wincent <ronggui.huang at gmail.com> wrote:
> 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/
>
> ______________________________________________
> 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.



-- 
Jim Holtman
Data Munger Guru

What is the problem that you are trying to solve?
Tell me what you want to do, not how you want to do it.