[R] file path

[Wincent]

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
>
>
>
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> 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/
>>
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>
>



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