Look at "dirname()" and "basename()". The first would be what you call the path. The second is the file.name without the path.
On Thu, Feb 26, 2015 at 10:58 AM, Luigi Marongiu <marongiu.lu...@gmail.com> wrote: > Dear all, > what code should I write in order to extract the file name from a give > path? Let's say that I want to get the file "my file.xls" which is in > the directory/folder "My documents"; since I work both with Windows > and Linux, the paths I am looking at are in the format: > > path.windows<-"\\home$\\lm667\\My Documents\\my file.xls" > path.linux<-"/home/My Documents/my file.xls" > > I used two words for the file name because sometimes the file names > have multiple words rather than a single one separated by capitals, > "." or "_". > The code should now get the file name, which is included between "\\" > (or "/") and ".xls" but I don't know what regular expression will do > the trick. > Once the file name has been assigned to a vector, it should be easy to > remove it from the path.windows/.linux and obtain a vector with the > path on its own. > Essentially the output should be as follows: > >> file.name > [1] "my file.xls" >> path.w > [1] "\\home$\\lm667\\My Documents\\" >> path.l > [1] "/home/My Documents/" > > Thank you, > Luigi > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > 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. -- He's about as useful as a wax frying pan. 10 to the 12th power microphones = 1 Megaphone Maranatha! <>< John McKown ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see 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.
