R-devel has been warning for some time about hidden files (in the Unix sense, starting with a period) in source packages. We could get R CMD build and the CRAN incoming scripts to remove these *if* we knew that they were never needed.

It seems clear that

.Rapp.history
.Rhistory
.Rbuildindex.xxxxx
inst/doc/.build.timestamp

are R leftovers,

._.DS_store

is from an Apple filesystem and

.tex .log .aux .pdf .png

are junk (as file names, not extensions).

However, is there ever any reason for any of

.Renviron
.Rprofile
.Rproj.user
.backups
.cvsignore
.cproject
.directory
.dropbox
.exrc
.gdb.history
.gitattributes
.gitignore
.gitmodules
.hgignore
.hqtags
.htaccess
.latex2html-init
.project
.seed
.settings

to be in a source package tarball? (For some of these it is not clear where they come from since there are multiple possible origins.)

If you know of a reason to retain any of these, please let c...@r-project.org know (with 'Hidden files' in the subject line).

--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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