In R, extract files from a 7z files (ftp) and save -


i have 7.z file via ftp site: ftp://.../2009/file.7z extract(or unzip) files inside , save in directory "c:/myfiles"

i can't this! help?

edited

i this, not work. 

zipf <- ftp://.../2009/file.7z outdir<-getwd() # define folder zip file should unzipped  unzip(zipf,exdir=outdir)  # unzip file  warning message: in unzip(zipf, exdir = outdir) : error 1 in extracting zip file

after this, directory empty.


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