search for: destfile

Dear all, I am looking for a way to work out if a file on the internet exists before attempting to download it using the function download.file(). For example, using a url that does not exist url <- "http://finance.yahoo.com/ftse.csv" destfile <- tempfile() download.file(url = url, destfile = destfile) # gives the following response ... trying URL 'http://finance.yahoo.com/ftse.csv' Error in download.file(url = url, destfile = destfile) : cannot open URL 'http://finance.yahoo.com/ftse.csv' In addition: Warning mes...

...ttp://bioconductor.org/packages/3.1/bioc Update (y/N/c)? y also installing the dependencies ?IRanges?, ?BiocGenerics?, ?Biobase?, ?GenomeInfoDb?, ?DBI?, ?RSQLite?, ?S4Vectors? trying URL 'http://bioconductor.org/packages/3.1/bioc/src/contrib/IRanges_2.1.35.tgz' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL 'http://bioconductor.org/packages/3.1/bioc/src/contrib/IRanges_2.1.35.tgz' In addition: Warning message: In download.file(url, destfile, method, mode = "wb", ...) : cannot open: HTTP status was '404 Not Found' War...

...while forcibly preserving a specific mtime. To the best of my knowledge, rsync does not have any option to transfer these files in an efficient manner. I illustrate the issue below: # Create two different files with same size echo 'new content' > srcfile echo 'old content' > destfile # Set identical mtime for both files: Update srcfile's mtime to match destfile's mtime touch -mr destfile srcfile # At this point, srcfile and destfile have: # - identical size # - identical mtime # - different content # - srcfile's ctime is newer than destfile's ctime # rsync ex...

Dear Ruser, I am trying to use the map library. But I have been problem the follow message. Warning message: *In readGDAL(destfile, silent = TRUE) : GeoTransform values not available * library(rgdal) library(RgoogleMaps) > GetMap(markers = '40.702147,-74.015794,blues%7C40.711614,-74.012318,greeng%7C40.718217,-73.998284,redc', destfile = "MyTile1.png"); Read 1 item [1] "40.702147,-74.015794,blues%7C...

...ying to install package - GenABEL - it has now become clear that R is not able to connect to the net. Below are a couple of things I've tried with the resulting errors I am running R 2.6.2 on Linux e15 X86 How can I fix this? Thank you! 1) download.file("http://www.nytimes.com", destfile<-tempfile()) Error: trying URL 'http://www.nytimes.com' Error in download.file("http://www.nytimes.com", destfile <- tempfile()) : cannot open URL 'http://www.nytimes.com' In addition: Warning message: In download.file("http://www.nytimes.com", destfile...

Dear Ruser, > > > I am trying to use the map library. But unfortunately I am facing the > warning message above: > Warning message: > *In readGDAL(destfile, silent = TRUE) : GeoTransform values not available > * I want to use that library because I intend to plot some station in a Brazilian map. I really appreciate any help. > > ===here what I was testing======== > library(rgdal) > > library(RgoogleMaps) > > GetMap(markers...

...lue. Now it exits when there is an error or file not present. How can I use "try" and "if" condition together so that the program does not exit on error and delete the created file in destination folder. for (i in 1: 100) { fileUrl = ucscfilenames[i] if (download.file(fileUrl, destFile, 'wget' , quiet = TRUE) != 0) { file.remove(destFile) } } thanks -- ------------- Mary Kindall Yorktown Heights, NY USA [[alternative HTML version deleted]]

...R-Help, >From reading the help file, it is my understanding the the download.file() function does not support HTTPS connections. So therefore, understandably, the follow produces an error: ### R Code > url <- "https://stat.ethz.ch/pipermail/r-help/2008-October/thread.html" > destfile <- "//PFO-SBS001/Redirected/tonyb/Desktop/R_web_test/tmp.txt" > download.file(url, destfile) Error in download.file(url, destfile) : unsupported URL scheme My question is: What about if i remove the 's' from the 'https' url? The download.file() function seems to now...

A nice default value for the `destfile` argument in download.file() would be `basename(url)` i.e. the name of the downloaded file. This would correspond to default behavior in many other web/ftp clients and makes code slightly more concise: download.file("https://svn.r-project.org/R/trunk/doc/CRAN_mirrors.csv") mirrors &l...

...4-06.tgz' Content type 'application/x-gzip' length 365965 bytes (357 Kb) opened URL ========================================== downloaded 304 Kb trying URL 'http://www.ibiblio.org/pub/languages/R/CRAN/bin/macosx/universal/contrib/2.7/spam_0.15-0.tgz' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL 'http://www.ibiblio.org/pub/languages/R/CRAN/bin/macosx/universal/contrib/2.7/spam_0.15-0.tgz' In addition: Warning messages: 1: In download.file(url, destfile, method, mode = "wb", ...) : downloaded length 312279 != rep...

...est #{my_project}` tmp << "youngest got" results[:txt] = tmp rev = "_rev#{youngest.chomp!}" fname = [ "backup_#{repo}_", Time.now.strftime(''%Y-%m-%d''), "#{rev}", ''.gz'' ] destfile = "#{DIRS[:backups]}/#{fname.join}" tmp << "destfile #{destfile}" results[:txt] = tmp FileUtils.mv(temp_file, destfile) tmp << "backup file created at #{Time.now}" results[:txt] = tmp end My previous messages shows taht all data befor...

...g to download a large number of files from some website. I am using the following script. files2down = c('aaa', 'bbb', ................) for (i in 1: len) { print(paste('downloading file', i, ' of total ', len)); url = paste(urlPrefix, files2down[i], sep='') destfile = paste (dest, 'inDir', files2down[i], sep='/' ) download.file(url, destfile, quiet = FALSE) } It works fine as long as the file is present. When the file is not present, it exit from loop. Is there a way to continue looping if error occurs. Thanks -- ------------- Mary Kindall...

...#upload_dir = File.expand_path(UPLOAD_PATH) + "/#{item.class}/#{item.id}/" upload_dir = File.expand_path(UPLOAD_PATH) + "/#{@type}/#{@parent_id}/" if !File.exists? upload_dir Dir.mkdir upload_dir end # Save the file to /films/123/foo.jpg destfile = "#{upload_dir}/#{filename}" p destfile logger.debug "saving ''#{destfile}''" FileUtils.copy @temp_file.local_path, destfile #assert File.exists?(destfile), "File upload failed" end end def uploaded_file=(incoming_file...

fileUrl <- "https://data.baltimorecity.gov/api/views/dz54-2aru/rows.csv?accessType=DOWNLOAD"download.file(fileUrl,destfile="./data/Cameras.csv",method="curl") I tried it after installing package "RCurl" but it give error message: Error in download.file(fileUrl, destfile = "Cameras.csv") : unsupported URL schemeI can you help me to solve this problem. JAWAD HUSSAIN ASHRAF...

...ibrary' (as 'lib' is unspecified) also installing the dependency 'scales' trying URL 'http://cran.case.edu/bin/windows/contrib/2.14/scales_0.2.0.zip' Warning in install.packages : cannot open: HTTP status was '404 Not Found' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL 'http://cran.case.edu/bin/windows/contrib/2.14/scales_0.2.0.zip' Warning in install.packages : download of package 'scales' failed trying URL 'http://cran.case.edu/bin/windows/contrib/2.14/ggplot2_0.9.0.zip' Wa...

...p.start()' for an HTML browser interface to help. Type 'q()' to quit R. > utils:::menuInstallPkgs() --- Please select a CRAN mirror for use in this session --- trying URL 'http://cran.uk.r-project.org/bin/windows/contrib/2.7/robustbase_0.2-8.zip' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL 'http://cran.uk.r-project.org/bin/windows/contrib/2.7/robustbase_0.2-8.zip' In addition: Warning message: In download.file(url, destfile, method, mode = "wb", ...) : cannot open: HTTP status was '404 Not Found' W...

Dear all, I've noticed the following problem for the past several days: ---------------- snip ---------------- > update.packages(ask=FALSE) . . . trying URL 'http://cran.utstat.utoronto.ca/src/contrib/zoo_1.7-11.zip' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL 'http://cran.utstat.utoronto.ca/src/contrib/zoo_1.7-11.zip' In addition: Warning message: In download.file(url, destfile, method, mode = "wb", ...) : cannot open: HTTP status was '404 Not Found' Warning in downloa...

...I am trying to download the data from R. I give the below command. > library(fImport) > yahooSeries("IBM") trying URL 'http://chart.yahoo.com/table.csv?s=IBM&a=7&b=08&c=2007&d=7&e=07&f=2008& g=d&x=.csv' Error in download.file(url = url, destfile = file, method = method) : cannot open URL 'http://chart.yahoo.com/table.csv?s=IBM&a=7&b=08&c=2007&d=7&e=07&f=2008& g=d&x=.csv' In addition: Warning message: In download.file(url = url, destfile = file, method = method) : unable to connect to 'ch...

...tall r-base r-base-dev > > > > But this only installed an earlier version. Finally I tried installing > from > > source (./configure, Make install). This worked. However, when I try to > > install packages, I get this error: > > > > Error in download.file(url, destfile = f, quiet = TRUE) : > > internet routines cannot be loaded > > In addition: Warning message: > > In download.file(url, destfile = f, quiet = TRUE) : > > unable to load shared object '/usr/local/lib/R/modules//internet.so': > > /usr/local/lib/R/modules//i...

...downloading statmod: > install.packages("statmod") Installing package(s) into ‘C:\Users\Isaac\Documents/R/win-library/2.12’ (as ‘lib’ is unspecified) trying URL ' http://www.revolution-computing.com/cran/bin/windows/contrib/2.12/statmod_1.4.9.zip ' Error in download.file(url, destfile, method, mode = "wb", ...) : cannot open URL ' http://www.revolution-computing.com/cran/bin/windows/contrib/2.12/statmod_1.4.9.zip ' In addition: Warning message: In download.file(url, destfile, method, mode = "wb", ...) : cannot open: HTTP status was '404 Not Fo...