[R] file.copy

[Jeff Newmiller]

Your list.of.files variable just has filenames without the fromFolder path. Try

file.copy(file.path,fromFolder,list.of.files), toFolder)

---------------------------------------------------------------------------
Jeff Newmiller                        The     .....       .....  Go Live...
DCN:<jdnewmil at dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...1k
--------------------------------------------------------------------------- 
Sent from my phone. Please excuse my brevity.

On November 14, 2014 4:07:27 AM PST, "Muhuri, Pradip (SAMHSA/CBHSQ)" <Pradip.Muhuri at samhsa.hhs.gov> wrote:
>Hello,
>
>Here is something (file.copy) trivial but does not seem to work.  I
>could not figure out what I am doing wrong.  
>
>The R script below creates folders (fromFolder and toFolder) and finds
>the list of files (list.of.files) to be copied to the toFolder, which I
>have verified using the print ()  command. But, the issue is that the
>file.copy() command does not work.  
>
>Both the R.script and the console are shown below.
>
>Any help/hints will be appreciated.
>
>Thanks,
>
>Pradip Muhuri
>
>#########################  R script 
>#####################################################
>#file.copy.R
>
>#identify the folders
>fromFolder <- "H:/R/cis_study"
>toFolder <- "F:/cis_study_backup"
>
># find the list of files to copy 
>list.of.files <- list.files(fromFolder, ".R$")
>
># print objects
>print(c(fromFolder, toFolder, list.of.files))
>options(warn=1)
>
># copy the files to the toFolder  - THIS DOES NOT WORK WHILE EVERYTHING
>PRIOR HAS WORKED
>file.copy(list.of.files, toFolder)
>
>
>
>#####################  Below is from console ###################
>#file.copy.R
>> 
>> #identify the folders
>> fromFolder <- "H:/R/cis_study"
>> toFolder <- "F:/cis_study_backup"
>> 
>> # find the list of files to copy 
>> list.of.files <- list.files(fromFolder, ".R$")
>> 
>> # print objects
>> print(c(fromFolder, toFolder, list.of.files))
> [1] "H:/R/cis_study"          "F:/cis_study_backup"    
> [3] "anl.in.scope_111114.R"   "create.oid.data.frame.R"
> [5] "create_xd2012.R"         "file.copy.R"            
> [7] "further.data.R"          "mrj.in.scope_111214.R"  
> [9] "oid.in.scope_111114.R"   "oid_cohort.R"           
>[11] "warning.max.R"           "xdate.R"                
>[13] "years.before.anl.init.R" "years.before.mrj.init.R"
>[15] "years.before.oid.init.R"
>> options(warn=1)
>> 
>> # copy the files to the toFolder  - THIS DOES NOT WORK WHILE
>EVERYTHING PRIOR HAS WORKED
>> file.copy(list.of.files, toFolder)
>Warning in file.copy(list.of.files, toFolder) :
>problem copying .\anl.in.scope_111114.R to
>F:\cis_study_backup\anl.in.scope_111114.R: No such file or directory
>(other similar warning messages are not shown)
>
>
>
>Pradip K. Muhuri, PhD
>SAMHSA/CBHSQ
>1 Choke Cherry Road, Room 2-1071
>Rockville, MD 20857
>Tel: 240-276-1070
>Fax: 240-276-1260
>
>______________________________________________
>R-help at 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.