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) <scup...@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-boun...@r-project.org [mailto:r-help-boun...@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.gal...@gmail.com> wrote: >> Hi Wincent, >> Have a look at: >> ?file.path >> >> >> >> ----------------Contact >> Details:------------------------------------------------------- >> Contact me: tal.gal...@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.hu...@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@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@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@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.