Hi Chel, How can I modify the script such that the numbering starts from 200,... instead of 001? flag="0" does not accept anything other than 0. Thanks, Asong.
On Thursday, December 4, 2014 11:17 PM, Chel Hee Lee <chl...@mail.usask.ca> wrote: I see that a function 'format()' is used in your code. > format(c(1,5,32,100), width=3, flag="0") [1] " 1" " 5" " 32" "100" > formatC(c(1,5,32,100), width=3, flag="0") [1] "001" "005" "032" "100" I hope this helps. Chel Hee Lee On 12/04/2014 10:54 PM, Zilefac Elvis wrote: > Hi Chel, > Thanks for the timely reply. > It works but a minor problem remains. > Here is the modified version of your code: > > file_names<- list.files(pattern="Sim1971-2000_Daily_") > new_names <- paste("rcp45_Daily_Sim",format(seq(length(file_names)), width=3, > flag="00"), ".dat", sep="") > > #files <- paste(paste(getwd(),lfile,sep="/"), list.files(lfile),sep="/")# > getwd of these files/contents > file.rename(from=file_names, to=new_names) > list.files(pattern="*.dat") > > I changed width =3 and flag=00 because my output has to be 001.dat...200.dat. > However, this is what i got: > > list.files(pattern="*.dat") > [1] "rcp45_Daily_Sim 1.dat" "rcp45_Daily_Sim 2.dat" "rcp45_Daily_Sim > 3.dat" "rcp45_Daily_Sim 4.dat" > [5] "rcp45_Daily_Sim 5.dat" "rcp45_Daily_Sim 6.dat" "rcp45_Daily_Sim > 7.dat" "rcp45_Daily_Sim 8.dat" > [9] "rcp45_Daily_Sim 9.dat" "rcp45_Daily_Sim 10.dat" > > > The zeros disappear but I need them. > > Please help. > Asong. > > > On Thursday, December 4, 2014 10:16 PM, Chel Hee Lee <chl...@mail.usask.ca> > wrote: > I put five data files (example1.dat, example2.dat, example3.dat, > example4.dat, example5.dat, example6.dat) in my working directory. > >> >> file_names <- list.files(pattern="*.dat") >> file_names > [1] "example1.dat" "example2.dat" "example3.dat" "example4.dat" > "example5.dat" > [6] "example6.dat" >> >> new_names <- paste("new_example_", > + formatC(seq(length(file_names)), width=2, flag="0"), > + ".dat", sep="") >> new_names > [1] "new_example_01.dat" "new_example_02.dat" "new_example_03.dat" > [4] "new_example_04.dat" "new_example_05.dat" "new_example_06.dat" >> >> file.rename(from=file_names, to=new_names) > [1] TRUE TRUE TRUE TRUE TRUE TRUE >> list.files(pattern="*.dat") > [1] "new_example_01.dat" "new_example_02.dat" "new_example_03.dat" > [4] "new_example_04.dat" "new_example_05.dat" "new_example_06.dat" >> > > Is this what you are looking for? I hope this helps. > > Chel Hee Lee > > > > On 12/04/2014 09:44 PM, Zilefac Elvis via R-help wrote: >> Hello, >> I would like to rename multiple files in a directory. Filenames are read >> using: >> >> lfile <- list.files(pattern="rcp45_Daily_") >> files <- paste(paste(getwd(),lfile,sep="/"), list.files(lfile),sep="/")# >> getwd of these files >> >> dput(lfile) >> c("rcp45_Daily_Sim001.dat", "rcp45_Daily_Sim002.dat") >> >> >> - How can I rename these files (200 in number) using something like: >> file.rename(lfile, paste0("rcp45_Daily_Sim", 1:200))?The new filenames >> should be rcp45_Daily_Sim001, rcp45_Daily_Sim002, ..., rcp45_Daily_Sim200. >> >> - I would like to write the new file names to the directory. >> >> The data files contain huge amounts of data and should not be read into R. >> Only the file names should change. >> >> Many thanks for your helpful answers. >> Asong. >> >> ______________________________________________ >> 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. > >> ______________________________________________ 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.