file.copy

Jeff,
Thank you so much for your help.

Below are the revised code (done with your hints) that has worked and the console. I have just added - overwrite=TRUE) to file.copy().

Pradip

###############################################
#file.copy.jn.way.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(file.path(fromFolder,list.of.files), toFolder, overwrite=TRUE)

###################  revised console ########################

#file.copy.jn.way.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] "file.copy_Duncan_way.R"  "further.data.R"         
 [9] "mrj.in.scope_111214.R"   "oid.in.scope_111114.R"  
[11] "oid_cohort.R"            "warning.max.R"          
[13] "xdate.R"                 "years.before.anl.init.R"
[15] "years.before.mrj.init.R" "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(file.path(fromFolder,list.of.files), toFolder, overwrite=TRUE)

[1] TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE TRUE

Pradip K. Muhuri, PhD
SAMHSA/CBHSQ
1 Choke Cherry Road, Room 2-1071
Rockville, MD 20857
Tel: 240-276-1070
Fax: 240-276-1260