FYI, this seems to be a known problem that has been address in the the devel version. From NEWS of R v2.13.0 devel:
NEW FEATURES: - file.copy() now copies read/write/execute permissions on files (it already did so for directories in recursive copies). Source: http://cran.r-project.org/bin/windows/base/NEWS.R-2.13.0dev.html /Henrik On Sun, Mar 6, 2011 at 1:08 PM, Yihui Xie <x...@yihui.name> wrote: > Hi, > > I was suggested that this question should be reported to r-devel. > Could you please make file.copy() preserve the file mode information? > I see from the source code that file.copy() is basically > file.append(): > > if (any(okay)) { > okay[okay] <- file.create(to[okay]) > if (any(okay)) > okay[okay] <- file.append(to[okay], from[okay]) > } > > Maybe something like this should be added to file.copy(): > > Sys.chmod(to[okay], file.info(from[okay])$mode) > > Thanks! > > Regards, > Yihui > -- > Yihui Xie <xieyi...@gmail.com> > Phone: 515-294-2465 Web: http://yihui.name > Department of Statistics, Iowa State University > 2215 Snedecor Hall, Ames, IA > > > > > ---------- Forwarded message ---------- > From: Yihui Xie <x...@yihui.name> > Date: Sat, Mar 5, 2011 at 5:31 PM > Subject: file mode lost in file.copy()? > To: R Help <r-h...@r-project.org> > > > Hi, > > Recently I noticed file.copy() would discard the file mode > information. Is this the expected behaviour or a bug for file.copy()? > >> file.create('testfile') > [1] TRUE > >> file.info('testfile') > size isdir mode mtime ctime > testfile 0 FALSE 644 2011-03-05 17:06:39 2011-03-05 17:06:39 > atime uid gid uname grname > testfile 2011-03-05 17:06:40 1000 1000 yihui yihui > >> Sys.chmod('testfile', '0755') > >> file.info('testfile') > size isdir mode mtime ctime > testfile 0 FALSE 755 2011-03-05 17:06:39 2011-03-05 17:06:59 > atime uid gid uname grname > testfile 2011-03-05 17:07:00 1000 1000 yihui yihui > >> file.copy('testfile', 'testfile2') > [1] TRUE > >> file.info('testfile2') > size isdir mode mtime ctime > testfile2 0 FALSE 644 2011-03-05 17:07:20 2011-03-05 17:07:20 > atime uid gid uname grname > testfile2 2011-03-05 17:07:21 1000 1000 yihui yihui > >> sessionInfo() > R version 2.12.2 (2011-02-25) > Platform: x86_64-unknown-linux-gnu (64-bit) > > locale: > [1] LC_CTYPE=en_US.utf8 LC_NUMERIC=C > [3] LC_TIME=en_US.utf8 LC_COLLATE=en_US.utf8 > [5] LC_MONETARY=C LC_MESSAGES=en_US.utf8 > [7] LC_PAPER=en_US.utf8 LC_NAME=C > [9] LC_ADDRESS=C LC_TELEPHONE=C > [11] LC_MEASUREMENT=en_US.utf8 LC_IDENTIFICATION=C > > attached base packages: > [1] stats graphics grDevices utils datasets methods base > > > Regards, > Yihui > -- > Yihui Xie <xieyi...@gmail.com> > Phone: 515-294-2465 Web: http://yihui.name > Department of Statistics, Iowa State University > 2215 Snedecor Hall, Ames, IA > > ______________________________________________ > R-devel@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-devel > ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
