Thanks also. On Thu, Jun 29, 2017 at 2:12 PM, Adams, Jean <jvad...@usgs.gov> wrote:
> Thanks for that answer. > I was not aware of gtools::mixedsort > <https://www.rdocumentation.org/packages/gtools/versions/3.5.0/topics/mixedsort> > function. > > Jean > > On Thu, Jun 29, 2017 at 2:47 PM, Henrik Bengtsson < > henrik.bengts...@gmail.com> wrote: > >> You can use: >> >> > files <- list.files(path = "folder01") >> > files <- gtools::mixedsort(files) >> >> to order the files in a "human-friendly" order rather than >> lexicographic order (which sort() provides). >> >> FYI 1; it's preferred to use file.path("folder01", list[i]) rather >> than paste('folder01',lists[i],sep='/'). >> >> FYI 2; if you use list.files(path = "folder01", full.names = TRUE), >> you get the full paths rather name just the file names, i.e. you don't >> have to use file.path(). >> >> /Henrik >> >> On Thu, Jun 29, 2017 at 12:04 PM, lily li <chocol...@gmail.com> wrote: >> > Hi R users, >> > I have a question about opening the txt files and putting them into a >> > matrix. The txt files are in the folder01, while they have the name >> > file.1.txt, file.2.txt, file.3.txt, etc. There are about 200 such text >> > files. Each txt file contains one value inside. When I tried to use the >> > code below, I found that the txt files are not in order, from 1, 2, 3, >> to >> > 200. Rather, they are in the order 1, 10, 100, 101, etc. How to change >> it >> > so that they are in order? Thanks for your help. >> > >> > temp <- list.files('folder01',pattern="*.txt" >> > name.list <-lapply(paste('folder01',temp,sep='/'),read.table,head=F) >> > library(data.table) >> > files.matrix <-rbindlist(name.list) >> > >> > Also, when use the code below, how to complete it so that the values of >> the >> > files are stored in a matrix? >> > lists = list.files('folder01') >> > for (i in 1:length(lists)){ >> > file <- read.table(paste('folder01',lists[i],sep='/'),head=F) >> > print(file) >> > } >> > >> > [[alternative HTML version deleted]] >> > >> > ______________________________________________ >> > 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/posti >> ng-guide.html >> > and provide commented, minimal, self-contained, reproducible code. >> >> ______________________________________________ >> 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/posti >> ng-guide.html >> and provide commented, minimal, self-contained, reproducible code. >> >> > [[alternative HTML version deleted]] ______________________________________________ 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.